diff --git a/README.md b/README.md
index 60e102c..a2e8c0b 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Preliminary installation steps (for Linux):
 ```
 garrysmod/addons$ git clone --recursive https://git.crustywindo.ws/modeco80/gmod-lcpu.git lcpu
 garrysmod/addons$ cd lcpu
-garrysmod/addons/lcpu$ ./build_module.sh
+garrysmod/addons/lcpu$ ./build_module.sh [gameserver path]
 # Tada!
 ```
 
diff --git a/build_module.sh b/build_module.sh
index 7c346a2..4d122d3 100755
--- a/build_module.sh
+++ b/build_module.sh
@@ -3,10 +3,11 @@
 # Build the LCPU native module for both linux32 and linux64
 # and install it into the proper directory gmod wants native modules to be.
 
-set -x
-
 # where your game server is
-GS_PATH="/home/lily/gs/gmod"
+[[ "$1" == "" ]] && GS_PATH="/home/lily/gs/gmod"
+[[ ! "$1" == "" ]] && GS_PATH="$1"
+
+echo "building for $GS_PATH"
 
 # make the module build directory
 [[ ! -d "module_build" ]] && {