diff --git a/test/include/common.h b/test/include/common.h
index cdeede2..1b03f34 100644
--- a/test/include/common.h
+++ b/test/include/common.h
@@ -106,7 +106,7 @@ typedef struct test_entry_t {
 #define TEST_IMPL_ARG3(arg1, arg2, arg3, ...) arg3
 
 #define TEST_IMPL_CHOOSER(...)                                                \
-  EXPAND(TEST_IMPL_ARG3(__VA_ARGS__, TEST_IMPL_ARG2, TEST_IMPL_ARG1))
+  EXPAND(TEST_IMPL_ARG3(__VA_ARGS__, TEST_IMPL_ARG2, TEST_IMPL_ARG1,))
 
 #define TEST_IMPL(...) EXPAND(TEST_IMPL_CHOOSER(__VA_ARGS__)(__VA_ARGS__))
 
@@ -127,7 +127,7 @@ typedef struct test_entry_t {
 #define ASSERT_ARG2(expr, msg)             ASSERT_EXT(expr, msg)
 #define ASSERT_ARG3(arg1, arg2, arg3, ...) arg3
 
-#define ASSERT_CHOOSER(...) ASSERT_ARG3(__VA_ARGS__, ASSERT_ARG2, ASSERT_ARG1)
+#define ASSERT_CHOOSER(...) ASSERT_ARG3(__VA_ARGS__, ASSERT_ARG2, ASSERT_ARG1,)
 #define ASSERT(...) do { ASSERT_CHOOSER(__VA_ARGS__)(__VA_ARGS__) } while(0);
 #define ASSERTIFY(expr) do {                                                  \
     test_status_t ts; \