diff --git a/lib/heap/heap_wrapper.c b/lib/heap/heap_wrapper.c
index 2764f4265..ec3aeb305 100644
--- a/lib/heap/heap_wrapper.c
+++ b/lib/heap/heap_wrapper.c
@@ -340,7 +340,7 @@ static int cmd_heap(int argc, const console_cmd_args *argv) {
         void *ptr = realloc(argv[2].p, argv[3].u);
         printf("realloc returns %p\n", ptr);
     } else if (strcmp(argv[1].str, "free") == 0) {
-        if (argc < 2) goto notenoughargs;
+        if (argc < 3) goto notenoughargs;
 
         free(argv[2].p);
     } else {