diff --git a/src/ZenWorkspaces.mjs b/src/ZenWorkspaces.mjs
index 0745579..07ef337 100644
--- a/src/ZenWorkspaces.mjs
+++ b/src/ZenWorkspaces.mjs
@@ -39,7 +39,11 @@ var ZenWorkspaces = {
   },
 
   getActiveWorkspaceFromCache() {
-    return this._workspaceCache.workspaces.find((workspace) => workspace.used);
+    try {
+      return this._workspaceCache.workspaces.find((workspace) => workspace.used);
+    } catch (e) {
+      return null;
+    }
   },
 
   // Wrorkspaces saving/loading