diff --git a/src/core/tools/applyDiffTool.ts b/src/core/tools/applyDiffTool.ts
index d4f7fd883f9..c89fe8b735a 100644
--- a/src/core/tools/applyDiffTool.ts
+++ b/src/core/tools/applyDiffTool.ts
@@ -147,9 +147,13 @@ export async function applyDiffToolLegacy(
 			await cline.diffViewProvider.update(diffResult.content, true)
 			await cline.diffViewProvider.scrollToFirstDiff()
 
+			// Check if file is write-protected
+			const isWriteProtected = cline.rooProtectedController?.isWriteProtected(relPath) || false
+
 			const completeMessage = JSON.stringify({
 				...sharedMessageProps,
 				diff: diffContent,
+				isProtected: isWriteProtected,
 			} satisfies ClineSayTool)
 
 			let toolProgressStatus
@@ -158,7 +162,7 @@ export async function applyDiffToolLegacy(
 				toolProgressStatus = cline.diffStrategy.getProgressStatus(block, diffResult)
 			}
 
-			const didApprove = await askApproval("tool", completeMessage, toolProgressStatus)
+			const didApprove = await askApproval("tool", completeMessage, toolProgressStatus, isWriteProtected)
 
 			if (!didApprove) {
 				await cline.diffViewProvider.revertChanges() // Cline likely handles closing the diff view