diff --git a/cmd/object-handlers-common.go b/cmd/object-handlers-common.go
index e84fd26ca..3feff7b68 100644
--- a/cmd/object-handlers-common.go
+++ b/cmd/object-handlers-common.go
@@ -185,7 +185,7 @@ func checkPreconditionsPUT(ctx context.Context, w http.ResponseWriter, r *http.R
 		if isETagEqual(objInfo.ETag, ifNoneMatchETagHeader) {
 			// If the object ETag matches with the specified ETag.
 			writeHeaders()
-			w.WriteHeader(http.StatusNotModified)
+			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)
 			return true
 		}
 	}