diff --git a/app/assets/javascripts/editor/editor.js.erb b/app/assets/javascripts/editor/editor.js.erb
index 371c2221..55cb56ea 100644
--- a/app/assets/javascripts/editor/editor.js.erb
+++ b/app/assets/javascripts/editor/editor.js.erb
@@ -685,7 +685,11 @@ var CodeOceanEditor = {
         $('#start-over-active-file').prop('disabled', this.active_frame.data('role') === 'user_defined_file' || this.active_frame.data('read-only') !== undefined);
         $('#dummy').toggle(!this.fileActionsAvailable());
         $('#render').toggle(this.isActiveFileRenderable());
-        $('#run-stop-button-group').tooltip('hide').toggleClass('flex-grow-1', this.isActiveFileRunnable() || this.isActiveFileStoppable());
+        const runStopGroup = $('#run-stop-button-group');
+        if (typeof runStopGroup.tooltip === 'function') {
+            runStopGroup.tooltip('hide');
+        }
+        runStopGroup.toggleClass('flex-grow-1', this.isActiveFileRunnable() || this.isActiveFileStoppable());
         $('#run').toggle(this.isActiveFileRunnable() && !this.running);
         $('#stop').toggle(this.isActiveFileStoppable());
         $('#test').toggle(this.isActiveFileTestable());