diff --git a/gtm-plugin.sh b/gtm-plugin.sh
index 0ca2938..2d7c1a9 100755
--- a/gtm-plugin.sh
+++ b/gtm-plugin.sh
@@ -2,7 +2,7 @@
 
 export GTM_STATUS=""
 export GTM_NEXT_UPDATE=0
-export GTM_LAST_DIR="$(PWD)"
+export GTM_LAST_DIR="${PWD}"
 
 function gtm_record_terminal() {
   let epoch=$((`date +%s`))