diff --git a/tests/dlext_private.h b/tests/dlext_private.h
index 2621a68..b338ae0 100644
--- a/tests/dlext_private.h
+++ b/tests/dlext_private.h
@@ -98,7 +98,7 @@
 extern bool android_link_namespaces_all_libs(android_namespace_t* from,
                                              android_namespace_t* to);
 
-extern void android_set_application_target_sdk_version(uint32_t target);
+extern void android_set_application_target_sdk_version(int target);
 
 __END_DECLS
 
diff --git a/tests/libdl_test.cpp b/tests/libdl_test.cpp
index b162edc..0c2bf67 100644
--- a/tests/libdl_test.cpp
+++ b/tests/libdl_test.cpp
@@ -18,17 +18,17 @@
 
 #include <android/api-level.h>
 
-extern "C" uint32_t android_get_application_target_sdk_version();
-extern "C" void android_set_application_target_sdk_version(uint32_t target);
+extern "C" int android_get_application_target_sdk_version();
+extern "C" void android_set_application_target_sdk_version(int target);
 
 TEST(libdl, application_sdk_versions_smoke) {
   // Check initial values
-  ASSERT_EQ(static_cast<uint32_t>(__ANDROID_API__), android_get_application_target_sdk_version());
+  ASSERT_EQ(__ANDROID_API__, android_get_application_target_sdk_version());
 
-  android_set_application_target_sdk_version(20U);
-  ASSERT_EQ(20U, android_get_application_target_sdk_version());
+  android_set_application_target_sdk_version(20);
+  ASSERT_EQ(20, android_get_application_target_sdk_version());
 
-  android_set_application_target_sdk_version(22U);
-  ASSERT_EQ(22U, android_get_application_target_sdk_version());
+  android_set_application_target_sdk_version(22);
+  ASSERT_EQ(22, android_get_application_target_sdk_version());
 }
 
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) {
 }