diff --git a/lib.sh b/lib.sh
index b3048bb..81b0e57 100644
--- a/lib.sh
+++ b/lib.sh
@@ -49,10 +49,9 @@
             fi
             ;;
         "Linux")   # Linux
-            if $PYTHON -m esptool --help &> /dev/null
+            if command -v $ESPTOOL &> /dev/null
             then
-                echo "$PYTHON -m esptool"
-                return
+                echo "$ESPTOOL"
             else
                 cd __admin
                 ./linux_install_esptool.sh