diff --git a/nicsensor.sh b/nicsensor.sh
index e228172..9de21b1 100755
--- a/nicsensor.sh
+++ b/nicsensor.sh
@@ -368,7 +368,8 @@ pre_exec_hook(){
     init_debuglog
 
     # check server_type if is auto
-    if [ "$server_type" = "auto" ];then
+    # if in debug mode, skip this check
+    if [ "$server_type" = "auto" ] && [ $DEBUG_MODE -eq 0 ];then
         try_get_server_type
     fi