diff --git a/tests/semaphore_test.cpp b/tests/semaphore_test.cpp
index 10d99ea..690e886 100644
--- a/tests/semaphore_test.cpp
+++ b/tests/semaphore_test.cpp
@@ -174,7 +174,7 @@
   ASSERT_EQ(1, i);
 }
 
-extern "C" void android_set_application_target_sdk_version(uint32_t target);
+extern "C" void android_set_application_target_sdk_version(int target);
 
 static void sem_wait_test_signal_handler(int) {
 }