diff --git a/src/test_sg.c b/src/test_sg.c
index 357f436..51b0f07 100644
--- a/src/test_sg.c
+++ b/src/test_sg.c
@@ -33,6 +33,8 @@ static void __attribute__((unused)) mark_buf(stlink_t *sl) {
 
 
 int main(int argc, char *argv[]) {
+	/* Avoid unused parameter warning */
+	(void)argv;
 	// set scpi lib debug level: 0 for no debug info, 10 for lots
 
 	switch (argc) {