diff --git a/main/webapp/modules/core/scripts/project/history-panel.js b/main/webapp/modules/core/scripts/project/history-panel.js
index ba0f9a5b3..870c20f89 100644
--- a/main/webapp/modules/core/scripts/project/history-panel.js
+++ b/main/webapp/modules/core/scripts/project/history-panel.js
@@ -256,7 +256,7 @@ HistoryPanel.prototype._showApplyOperationsDialog = function() {
         if (!json.startsWith("[")) {
             json = "[" + json;
         }
-        if (!json.endsWith("[")) {
+        if (!json.endsWith("]")) {
             json = json + "]";
         }