diff --git a/packages/provider-pi/src/server/adapter.test.ts b/packages/provider-pi/src/server/adapter.test.ts
index ed9ce8c48c132..1c5efe9c43462 100644
--- a/packages/provider-pi/src/server/adapter.test.ts
+++ b/packages/provider-pi/src/server/adapter.test.ts
@@ -2955,6 +2955,7 @@ describe("PiAdapterV2", () => {
             if (event.type !== "turn_item.updated" || event.turnItem.type !== "dynamic_tool")
               return yield* Effect.die("Expected an image tool item");
             assert.equal(event.turnItem.status, phase === "end" ? "completed" : "running");
+            assert.equal(event.turnItem.title, index === 4 ? "extension" : null);
             assert.deepEqual(event.turnItem.output, test.expected);
             assert.deepEqual(
               toolOutputImages(event.turnItem.output),
@@ -3382,6 +3383,7 @@ describe("PiAdapterV2", () => {
       assert.isTrue(
         edit.type === "turn_item.updated" &&
           edit.turnItem.type === "file_change" &&
+          edit.turnItem.title === null &&
           edit.turnItem.fileName === "a.ts" &&
           edit.turnItem.diffStr === patch,
       );
diff --git a/packages/provider-pi/src/server/adapter.ts b/packages/provider-pi/src/server/adapter.ts
index b41e31c778199..986586d342b49 100644
--- a/packages/provider-pi/src/server/adapter.ts
+++ b/packages/provider-pi/src/server/adapter.ts
@@ -1312,7 +1312,7 @@ export const makePiAdapterV2 = Effect.fn("makePiAdapterV2")(function* (
               driver: PI_PROVIDER,
               turnItem: {
                 ...shared,
-                title: toolName,
+                title: null,
                 type: "file_change",
                 fileName,
                 ...(diffStr === undefined ? {} : { diffStr }),
@@ -1328,7 +1328,7 @@ export const makePiAdapterV2 = Effect.fn("makePiAdapterV2")(function* (
           driver: PI_PROVIDER,
           turnItem: {
             ...shared,
-            title: toolName,
+            title: null,
             type: "dynamic_tool",
             ...mcpToolPresentation({ toolName }),
             toolName,