diff --git a/src/dom/common/lib/range.ts b/src/dom/common/lib/range.ts
index 7dc1d490..4e1945b5 100644
--- a/src/dom/common/lib/range.ts
+++ b/src/dom/common/lib/range.ts
@@ -15,7 +15,7 @@ export class PersistentRange {
 
 	endOffset: number;
 
-	constructor(range: Range) {
+	constructor(range: AbstractRange) {
 		this.startContainer = range.startContainer;
 		this.startOffset = range.startOffset;
 		this.endContainer = range.endContainer;
diff --git a/src/dom/epub/lib/page-mapping.ts b/src/dom/epub/lib/page-mapping.ts
index bac0ad55..8ea2a3cf 100644
--- a/src/dom/epub/lib/page-mapping.ts
+++ b/src/dom/epub/lib/page-mapping.ts
@@ -138,7 +138,7 @@ class PageMapping {
 			((new Date().getTime() - startTime) / 1000).toFixed(2)}s`);
 	}
 
-	getPageIndex(range: Range): number | null {
+	getPageIndex(range: AbstractRange): number | null {
 		let pageStartRange = this.tree.getPairOrNextLower(new PersistentRange(range))?.[0];
 		if (!pageStartRange) {
 			return null;
@@ -146,7 +146,7 @@ class PageMapping {
 		return this.tree.keysArray().indexOf(pageStartRange);
 	}
 
-	getPageLabel(range: Range): string | null {
+	getPageLabel(range: AbstractRange): string | null {
 		return this.tree.getPairOrNextLower(new PersistentRange(range))?.[1] ?? null;
 	}