diff --git a/packages/core/src/editor/clipboard.ts b/packages/core/src/editor/clipboard.ts
index 73987be6d..dd010ae23 100644
--- a/packages/core/src/editor/clipboard.ts
+++ b/packages/core/src/editor/clipboard.ts
@@ -206,7 +206,7 @@ export function createClipboardActions(ctx: EditorContext) {
       ctx.emitEditorEvent('clipboard:images-missing', {
         total: hashes.length,
         missing,
-        fetchAttempted: resolver !== null
+        fetchAttempted: Boolean(resolver)
       })
     }
   }