diff --git a/src/intel/compiler/brw_asm_tool.c b/src/intel/compiler/brw_asm_tool.c
index 3cd9e8abbc1..fc3d4c8a275 100644
--- a/src/intel/compiler/brw_asm_tool.c
+++ b/src/intel/compiler/brw_asm_tool.c
@@ -200,7 +200,7 @@ int main(int argc, char **argv)
       goto end;
    }
 
-   if (!argv[optind]) {
+   if (optind == argc) {
       fprintf(stderr, "Please specify input file\n");
       goto end;
    }
diff --git a/src/intel/compiler/elk/elk_asm_tool.c b/src/intel/compiler/elk/elk_asm_tool.c
index 29c0734511a..9e83e92c259 100644
--- a/src/intel/compiler/elk/elk_asm_tool.c
+++ b/src/intel/compiler/elk/elk_asm_tool.c
@@ -282,7 +282,7 @@ int main(int argc, char **argv)
       goto end;
    }
 
-   if (!argv[optind]) {
+   if (optind == argc) {
       fprintf(stderr, "Please specify input file\n");
       goto end;
    }