diff --git a/tests/src/concurrentrun_test.cpp b/tests/src/concurrentrun_test.cpp
index 7b4f6884..df188c45 100644
--- a/tests/src/concurrentrun_test.cpp
+++ b/tests/src/concurrentrun_test.cpp
@@ -154,7 +154,7 @@ TEST(ConcurrentRunTest, ConcurrentRunVoidFunction3Start) {
 
 class A {
  public:
-  static void f(int* i) {
+  void f(int* i) {
     *i = *i + 1;
   }
 };