diff --git a/building/main.cpp b/building/main.cpp
index b91a620..4e1cf94 100644
--- a/building/main.cpp
+++ b/building/main.cpp
@@ -159,8 +159,8 @@ int main(int argc, char** argv) {
         }
         NormalCBuildSystemCommandMeaning cmd;
         regular_bs_cli_cmd_interpret(args, cmd);
-        const char* BS_SCRIPT_TYPE = getenv("BS_SCRIPT_TYPE");
-        const char* BS_SCRIPT_TESTS = getenv("BS_SCRIPT_TESTS");
+        const char* BS_SCRIPT_TYPE = getenv("BSCRIPT_TYPE");
+        const char* BS_SCRIPT_TESTS = getenv("BSCRIPT_TESTS");
         CAWebChat bs(BS_SCRIPT_TYPE ? BS_SCRIPT_TYPE : "release", (bool)BS_SCRIPT_TESTS, cmd);
         if (cmd.need_to_build)
             complete_tasks_of_build_units(bs.runlevel_1);