diff --git a/tests/cases/test_print.c b/tests/cases/test_print.c
index d7d0e22..f236d07 100644
--- a/tests/cases/test_print.c
+++ b/tests/cases/test_print.c
@@ -5,7 +5,8 @@
 
 int counter = 0;
 
-void count(const char*) {
+void count(const char* msg) {
+	(void)msg;
 	counter++;
 }