diff --git a/AUTHORS.md b/AUTHORS.md
index acf0a4bbd..edc560bf1 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -9,6 +9,7 @@
 - Christian Kraus <hanzi@hanzi.cc>
 - Christoph Wurst <christoph@winzerhof-wurst.at>
 - Daniel Kesselberg <mail@danielkesselberg.de>
+- Dominik Kuzila <kuziladominik@gmail.com>
 - Gary Kim <gary@garykim.dev>
 - Georg Ehrke <oc.list@georgehrke.com>
 - Greta Doci <gretadoci@gmail.com>
diff --git a/src/store/groups.js b/src/store/groups.js
index 4da839e2d..44de3e214 100644
--- a/src/store/groups.js
+++ b/src/store/groups.js
@@ -184,6 +184,9 @@ const actions = {
 	 * @param {string} groupName the name of the group
 	 */
 	addGroup(context, groupName) {
+		if (!groupName || groupName.trim() === '') {
+			throw new Error('Group name cannot be empty')
+		}
 		context.commit('addGroup', groupName)
 	},
 }