diff --git a/packages/block-editor/src/store/selectors.js b/packages/block-editor/src/store/selectors.js
index 543da7dd1debb..7a9741b32d64b 100644
--- a/packages/block-editor/src/store/selectors.js
+++ b/packages/block-editor/src/store/selectors.js
@@ -510,6 +510,10 @@ export const getBlockParents = createSelector(
 			parents.push( current );
 		}
 
+		if ( ! parents.length ) {
+			return EMPTY_ARRAY;
+		}
+
 		return ascending ? parents : parents.reverse();
 	},
 	( state ) => [ state.blocks.parents ]