diff --git a/.changeset/twelve-pandas-study.md b/.changeset/twelve-pandas-study.md
new file mode 100644
index 0000000000..1d9b13e6d0
--- /dev/null
+++ b/.changeset/twelve-pandas-study.md
@@ -0,0 +1,5 @@
+---
+"@workflow/web": patch
+---
+
+Web: fix resource detail sidebar briefly showing old data when updating selection
diff --git a/packages/web/src/workflow-trace-viewer/api/workflow-api-client.ts b/packages/web/src/workflow-trace-viewer/api/workflow-api-client.ts
index 2f0dae8c2e..2906fdad5e 100644
--- a/packages/web/src/workflow-trace-viewer/api/workflow-api-client.ts
+++ b/packages/web/src/workflow-trace-viewer/api/workflow-api-client.ts
@@ -814,6 +814,7 @@ export function useWorkflowResourceData(
 
   const fetchData = useCallback(async () => {
     setLoading(true);
+    setData(null);
     setError(null);
 
     try {