diff --git a/packages/react-devtools-extensions/src/main.js b/packages/react-devtools-extensions/src/main.js
index 015472fa2e89c..2d67aa2cd7bde 100644
--- a/packages/react-devtools-extensions/src/main.js
+++ b/packages/react-devtools-extensions/src/main.js
@@ -156,7 +156,9 @@ function createPanelIfReactLoaded() {
           supportsTimeline: isChrome,
           supportsTraceUpdates: true,
         });
-        store.profilerStore.profilingData = profilingData;
+        if (!isProfiling) {
+          store.profilerStore.profilingData = profilingData;
+        }
 
         // Initialize the backend only once the Store has been initialized.
         // Otherwise the Store may miss important initial tree op codes.