diff --git a/packages/node_modules/@node-red/nodes/core/common/lib/debug/debug-utils.js b/packages/node_modules/@node-red/nodes/core/common/lib/debug/debug-utils.js
index 78dbde102..55216e2c2 100644
--- a/packages/node_modules/@node-red/nodes/core/common/lib/debug/debug-utils.js
+++ b/packages/node_modules/@node-red/nodes/core/common/lib/debug/debug-utils.js
@@ -539,17 +539,19 @@ RED.debug = (function() {
             const msgInfos = `${o.topic ? " : " : ""}msg${o.property ? "." + property : ""} : ${format}`
             const topicTruncated = RED.utils.truncateString((o.topic ? topic : ""), 120 - msgInfos.length);
             const topicElem = $('<span class="red-ui-debug-msg-topic">' + topicTruncated + msgInfos + '</span>').appendTo(metaRow);
-            RED.popover.create({
-                content: topic,
-                delay: { show: 750, hide: 50 },
-                direction: "bottom",
-                interactive: true,
-                maxWidth: 300,
-                target: topicElem,
-                trigger: "hover",
-                tooltip: true,
-                size: "small"
-            });
+            if (topic !== topicTruncated) {
+                RED.popover.create({
+                    content: topic,
+                    delay: { show: 750, hide: 50 },
+                    direction: "bottom",
+                    interactive: true,
+                    maxWidth: 300,
+                    target: topicElem,
+                    trigger: "hover",
+                    tooltip: true,
+                    size: "small"
+                });
+            }
         }
 
         var atBottom = (sbc.scrollHeight-messageList.height()-sbc.scrollTop) < 5;