diff --git a/changelog.md b/changelog.md
index 526e63f6..83053fa0 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,7 +4,8 @@
 
 - Fixed very specific game crash surrounding currency rounding when buying multiple items with discounts with a specific currency setup
 - Fixed giving multiple quantity of a single item would always give just 1
-- Fixed Item Pile data resetting upon token updates
+- Fixed item pile data resetting upon token updates
+- Fixed item pile interfaces not reopening after changing their item pile type
 
 ## Version 3.0.5
 
diff --git a/src/applications/dialogs/drop-currency-dialog/drop-currency-dialog.js b/src/applications/dialogs/drop-currency-dialog/drop-currency-dialog.js
index dea69d09..eb652306 100644
--- a/src/applications/dialogs/drop-currency-dialog/drop-currency-dialog.js
+++ b/src/applications/dialogs/drop-currency-dialog/drop-currency-dialog.js
@@ -13,8 +13,9 @@ export default class DropCurrencyDialog extends SvelteApplication {
 	 */
 	constructor(sourceActor, targetActor, settings = {}, options = {}) {
 		const localization = settings.localization || "DropCurrencies";
+		const id = sourceActor ? (sourceActor.id + (targetActor ? "-" + targetActor.id : "")) : "";
 		super({
-			id: `item-pile-drop-currency-${sourceActor ? (sourceActor.id + (targetActor ? "-" + targetActor.id : "")) : ""}-${foundry.utils.randomID()}`,
+			id: `item-pile-drop-currency-${id}-${foundry.utils.randomID()}`,
 			title: settings.title ?? game.i18n.localize(`ITEM-PILES.Applications.${localization}.Title`),
 			svelte: {
 				class: DropCurrencyDialogShell,
@@ -39,13 +40,14 @@ export default class DropCurrencyDialog extends SvelteApplication {
 		})
 	}
 
-	static getActiveApps(id) {
+	static getActiveApps(sourceActor, targetActor) {
+		const id = sourceActor ? (sourceActor.id + (targetActor ? "-" + targetActor.id : "")) : "";
 		return getActiveApps(`item-pile-drop-currency-${id}`);
 	}
 
 	static async show(sourceActor, targetActor, settings = {}, options = {}) {
 		if (sourceActor) {
-			const apps = this.getActiveApps(targetActor ? sourceActor.uuid + "-" + targetActor.uuid : sourceActor.uuid);
+			const apps = this.getActiveApps(sourceActor, targetActor);
 			if (apps.length) {
 				for (let app of apps) {
 					app.render(false, { focus: true });
diff --git a/src/applications/dialogs/drop-item-dialog/drop-item-dialog.js b/src/applications/dialogs/drop-item-dialog/drop-item-dialog.js
index 0074164e..199549bd 100644
--- a/src/applications/dialogs/drop-item-dialog/drop-item-dialog.js
+++ b/src/applications/dialogs/drop-item-dialog/drop-item-dialog.js
@@ -13,9 +13,10 @@ export default class DropItemDialog extends SvelteApplication {
 	constructor(item, target, options = {
 		localizationTitle: "DropItem"
 	}) {
+		const id = item.id + (target ? "-" + target.id : "");
 		super({
 			title: game.i18n.localize(`ITEM-PILES.Applications.${options.localizationTitle}.Title`),
-			id: `item-pile-drop-item-${item.id}${target ? "-" + target.id : ""}-${foundry.utils.randomID()}`,
+			id: `item-pile-drop-item-${id}-${foundry.utils.randomID()}`,
 			svelte: {
 				class: DropItemDialogShell,
 				target: document.body,
@@ -39,7 +40,8 @@ export default class DropItemDialog extends SvelteApplication {
 		})
 	}
 
-	static getActiveApps(id) {
+	static getActiveApps(item, target) {
+		const id = item.id + (target ? "-" + target.id : "");
 		return getActiveApps(`item-pile-drop-item-${id}`);
 	}
 
@@ -47,7 +49,7 @@ export default class DropItemDialog extends SvelteApplication {
 		if (!options?.localizationTitle) {
 			options.localizationTitle = "DropItem";
 		}
-		const apps = this.getActiveApps(item.uuid + (target ? "-" + target.uuid : ""));
+		const apps = this.getActiveApps(item, target);
 		if (apps.length) {
 			for (let app of apps) {
 				app.render(false, { focus: true });
diff --git a/src/applications/dialogs/give-items-dialog/give-items-dialog.js b/src/applications/dialogs/give-items-dialog/give-items-dialog.js
index acd070e0..6cbfb517 100644
--- a/src/applications/dialogs/give-items-dialog/give-items-dialog.js
+++ b/src/applications/dialogs/give-items-dialog/give-items-dialog.js
@@ -37,12 +37,12 @@ export default class GiveItems extends TJSDialog {
 		})
 	}
 
-	static getActiveApps(id) {
-		return getActiveApps(`item-pile-give-items-${id}`);
+	static getActiveApps(item) {
+		return getActiveApps(`item-pile-give-items-${item.id}`);
 	}
 
 	static async show(item, options = {}) {
-		const apps = this.getActiveApps(item.id);
+		const apps = this.getActiveApps(item);
 		if (apps.length) {
 			for (let app of apps) {
 				app.render(false, { focus: true });
diff --git a/src/applications/dialogs/trade-merchant-item-dialog/trade-merchant-item-dialog.js b/src/applications/dialogs/trade-merchant-item-dialog/trade-merchant-item-dialog.js
index 86d89501..bb9db2f0 100644
--- a/src/applications/dialogs/trade-merchant-item-dialog/trade-merchant-item-dialog.js
+++ b/src/applications/dialogs/trade-merchant-item-dialog/trade-merchant-item-dialog.js
@@ -45,7 +45,7 @@ export default class TradeMerchantItemDialog extends SvelteApplication {
 	}
 
 	static async show(item, seller, buyer, settings = {}, options = {}) {
-		const apps = this.getActiveApps(item.uuid + "-" + seller.uuid + "-" + buyer.uuid);
+		const apps = this.getActiveApps(item.id + "-" + seller.id + "-" + buyer.id);
 		if (apps.length) {
 			for (let app of apps) {
 				app.render(false, { focus: true });
diff --git a/src/applications/item-pile-config/item-pile-config.svelte b/src/applications/item-pile-config/item-pile-config.svelte
index bba3d643..8c0b9424 100644
--- a/src/applications/item-pile-config/item-pile-config.svelte
+++ b/src/applications/item-pile-config/item-pile-config.svelte
@@ -77,22 +77,22 @@
 				let apps = [];
 				switch (currentData.type) {
 					case CONSTANTS.PILE_TYPES.MERCHANT:
-						if (MerchantApp.getActiveApp(pileActor.uuid)) {
-							promises.push(MerchantApp.getActiveApp(pileActor.uuid).close());
+						if (MerchantApp.getActiveApp(pileActor)) {
+							promises.push(MerchantApp.getActiveApp(pileActor).close());
 						}
-						if (MerchantApp.getActiveApp(pileActor?.token?.uuid)) {
-							promises.push(MerchantApp.getActiveApp(pileActor?.token?.uuid).close());
+						if (MerchantApp.getActiveApp(pileActor)) {
+							promises.push(MerchantApp.getActiveApp(pileActor).close());
 						}
 						break;
 
 					case CONSTANTS.PILE_TYPES.VAULT:
-						apps = VaultApp.getActiveApps(pileActor.uuid)
-							.concat(VaultApp.getActiveApps(pileActor?.token?.uuid));
+						apps = VaultApp.getActiveApps(pileActor)
+							.concat(VaultApp.getActiveApps(pileActor));
 						break;
 
 					default:
-						apps = ItemPileInventoryApp.getActiveApps(pileActor.uuid)
-							.concat(ItemPileInventoryApp.getActiveApps(pileActor?.token?.uuid));
+						apps = ItemPileInventoryApp.getActiveApps(pileActor)
+							.concat(ItemPileInventoryApp.getActiveApps(pileActor));
 						break;
 				}
 
diff --git a/src/applications/item-pile-inventory-app/item-pile-inventory-app.js b/src/applications/item-pile-inventory-app/item-pile-inventory-app.js
index bbfeea99..389c9efc 100644
--- a/src/applications/item-pile-inventory-app/item-pile-inventory-app.js
+++ b/src/applications/item-pile-inventory-app/item-pile-inventory-app.js
@@ -50,7 +50,8 @@ export default class ItemPileInventoryApp extends SvelteApplication {
 	}
 
 	static getActiveApps(source) {
-		return Helpers.getActiveApps(`item-pile-inventory-${source?.token?.id ?? source.id}`);
+		const id = typeof source === "string" ? source : source?.token?.id ?? source?.id;
+		return Helpers.getActiveApps(`item-pile-inventory-${id}`);
 	}
 
 	static async show(source, recipient = false, options = {}, dialogData = {}) {
diff --git a/src/applications/vault-app/vault-app.js b/src/applications/vault-app/vault-app.js
index 3f97a4c7..2c09b1dd 100644
--- a/src/applications/vault-app/vault-app.js
+++ b/src/applications/vault-app/vault-app.js
@@ -60,7 +60,8 @@ export default class VaultApp extends SvelteApplication {
 	}
 
 	static getActiveApps(source) {
-		return Helpers.getActiveApps(`item-pile-vault-${source?.token?.id ?? source.id}`);
+		const id = typeof source === "string" ? source : source?.token?.id ?? source?.id;
+		return Helpers.getActiveApps(`item-pile-vault-${id}`);
 	}
 
 	static async show(source, recipient = false, options = {}, dialogData = {}) {
diff --git a/src/helpers/pile-utilities.js b/src/helpers/pile-utilities.js
index 3f1c5a8f..41b68fe1 100644
--- a/src/helpers/pile-utilities.js
+++ b/src/helpers/pile-utilities.js
@@ -630,11 +630,11 @@ function getRelevantTokensAndActor(target) {
 
 }
 
-export async function updateItemPileData(target, flagData, tokenData) {
+export async function updateItemPileData(target, newFlags, tokenData) {
 
 	if (!target) return;
 
-	flagData = getActorFlagData(target, { data: flagData });
+	const flagData = getActorFlagData(target, { data: newFlags });
 	if (!tokenData) tokenData = {};
 	tokenData = foundry.utils.mergeObject(tokenData, {});
 
@@ -649,7 +649,7 @@ export async function updateItemPileData(target, flagData, tokenData) {
 	const freshFlagData = getActorFlagData(target, { useDefaults: false });
 	const cleanedFlagData = cleanFlagData(flagData);
 	const cleanFreshFlagData = cleanFlagData(freshFlagData);
-	const combinedFreshFlagData = cleanFlagData(foundry.utils.mergeObject(cleanedFlagData, cleanFreshFlagData), { addRemoveFlag: true });
+	const combinedFreshFlagData = cleanFlagData(foundry.utils.mergeObject(cleanFreshFlagData, cleanedFlagData), { addRemoveFlag: true });
 
 	const updates = documentTokens.map(tokenDocument => {
 		const overrideImage = foundry.utils.getProperty(tokenData, "texture.src")