diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index c64d9be..67fb394 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -6,7 +6,7 @@
 SUITE_PRE_DEP
 #define TEST_SUITE_ACTIVE
 
-static int test_assert( int correct, char *test )
+static int test_assert( int correct, const char *test )
 {
     if( correct )
         return( 0 );