diff --git a/glp b/glp
index f1995e9..87739bb 100755
--- a/glp
+++ b/glp
@@ -37,7 +37,7 @@ if [[ -f ./.glp ]]; then
     fi
     append_fullpath $dir
   done < ./.glp
-  export GOPATH=$newpath
+  export GOPATH="$newpath:$GOPATH"
 fi
 
 go "$@"