diff --git a/hotp/host/main.c b/hotp/host/main.c
index c816b40..2758312 100644
--- a/hotp/host/main.c
+++ b/hotp/host/main.c
@@ -36,7 +36,7 @@
 	{ 9, 520489 }
 };
 
-int main(int argc, char *argv[])
+int main(void)
 {
 	TEEC_Context ctx;
 	TEEC_Operation op = { 0 };