1 files changed, 1 insertions, 1 deletions
diff --git a/tools/timer/Timer.h b/tools/timer/Timer.h
index e28a515b54..9557596248 100644
--- a/tools/timer/Timer.h
+++ b/tools/timer/Timer.h
@@ -35,7 +35,7 @@ class SkGLContext;
  */
 class Timer {
 public:
-    explicit Timer(SkGLContext* gl = NULL);
+    explicit Timer(SkGLContext* gl = nullptr);
 
     void start();
     void truncatedEnd();