diff --git a/scripts/generate_query_config.pl b/scripts/generate_query_config.pl
index e99542d..492780d 100755
--- a/scripts/generate_query_config.pl
+++ b/scripts/generate_query_config.pl
@@ -39,7 +39,7 @@
         $config_check .= "#if defined($name)\n";
         $config_check .= "    if( strcmp( \"$name\", config ) == 0 )\n";
         $config_check .= "    {\n";
-        $config_check .= "        mbedtls_printf( MACRO_EXPANSION_TO_STR( $name ) );\n";
+        $config_check .= "        mbedtls_printf( \"%s\", MACRO_EXPANSION_TO_STR( $name ) );\n";
         $config_check .= "        return( 0 );\n";
         $config_check .= "    }\n";
         $config_check .= "#endif /* $name */\n";