diff --git a/programs/test/query_compile_time_config.c b/programs/test/query_compile_time_config.c
index 8f763fa..df0fe4a 100644
--- a/programs/test/query_compile_time_config.c
+++ b/programs/test/query_compile_time_config.c
@@ -40,7 +40,7 @@
 {
     int i;
 
-    if (argc == 1 || strcmp(argv[1], "-h") == 0) {
+    if (argc < 2 || strcmp(argv[1], "-h") == 0) {
         mbedtls_printf(USAGE, argv[0]);
         return MBEDTLS_EXIT_FAILURE;
     }