1 files changed, 1 insertions, 1 deletions
diff --git a/clang-tools-extra/test/clang-tidy/readability-container-size-empty.cpp b/clang-tools-extra/test/clang-tidy/readability-container-size-empty.cpp
index 652c114a281..d7f2612b57d 100644
--- a/clang-tools-extra/test/clang-tidy/readability-container-size-empty.cpp
+++ b/clang-tools-extra/test/clang-tidy/readability-container-size-empty.cpp
@@ -3,7 +3,7 @@
 namespace std {
 template <typename T> struct vector {
   vector() {}
-  int size() const {}
+  unsigned long size() const {}
   bool empty() const {}
 };
 }