diff --git a/js/src/designer/move.js b/js/src/designer/move.js
index 1788894b34..98e8a547ab 100644
--- a/js/src/designer/move.js
+++ b/js/src/designer/move.js
@@ -1938,7 +1938,7 @@ DesignerMove.enablePageContentEvents = function () {
     $(document).on('mousedown', function (e) {
         DesignerMove.mouseDown(e);
     });
-    $(document).on('mouseup', function (e) {
+    $(document).on('mouseup', function () {
         DesignerMove.mouseUp();
     });
     $(document).on('mousemove', function (e) {
diff --git a/libraries/classes/Normalization.php b/libraries/classes/Normalization.php
index 5586176a72..b3e170ab8e 100644
--- a/libraries/classes/Normalization.php
+++ b/libraries/classes/Normalization.php
@@ -1056,7 +1056,7 @@ class Normalization
                 continue;
             }
 
-            $result[$column] = (int) $res[0][$column . '_cnt'];
+            $result[$column] = (int) ($res[0][$column . '_cnt'] ?? null);
         }
 
         return $result;
diff --git a/test/classes/Stubs/DbiDummy.php b/test/classes/Stubs/DbiDummy.php
index 5d925a4f5c..f5c9ffbef5 100644
--- a/test/classes/Stubs/DbiDummy.php
+++ b/test/classes/Stubs/DbiDummy.php
@@ -1368,7 +1368,7 @@ class DbiDummy implements DbiExtension
             ],
             [
                 'query' => 'SELECT COUNT(*) FROM `pma_test`.`table1`',
-                'result' => [[0]],
+                'result' => [],
             ],
             [
                 'query' => 'SELECT `PRIVILEGE_TYPE` FROM `INFORMATION_SCHEMA`.'