diff --git a/ui/desktop/src/components/ToolCallWithResponse.tsx b/ui/desktop/src/components/ToolCallWithResponse.tsx
index ce1926dc8b3d..6fed12cbb0c5 100644
--- a/ui/desktop/src/components/ToolCallWithResponse.tsx
+++ b/ui/desktop/src/components/ToolCallWithResponse.tsx
@@ -100,7 +100,9 @@ function ToolResultView({ result }: ToolResultViewProps) {
 
   const shouldShowExpanded = (item: Content, index: number) => {
     return (
-      (item.annotations.priority !== undefined && item.annotations.priority >= 0.5) ||
+      (item.annotations &&
+        item.annotations.priority !== undefined &&
+        item.annotations.priority >= 0.5) ||
       expandedItems.includes(index)
     );
   };
@@ -110,7 +112,9 @@ function ToolResultView({ result }: ToolResultViewProps) {
       {filteredResults.map((item, index) => {
         const isExpanded = shouldShowExpanded(item, index);
         const shouldMinimize =
-          item.annotations.priority === undefined || item.annotations.priority < 0.5;
+          !item.annotations ||
+          item.annotations.priority === undefined ||
+          item.annotations.priority < 0.5;
         return (
           <div key={index} className="relative">
             {shouldMinimize && (