diff --git a/themes/TruncatedPwd_WindowTitle_NoExitState.bgptheme b/themes/TruncatedPwd_WindowTitle_NoExitState.bgptheme
index 9feca37..5a1bff1 100644
--- a/themes/TruncatedPwd_WindowTitle_NoExitState.bgptheme
+++ b/themes/TruncatedPwd_WindowTitle_NoExitState.bgptheme
@@ -34,7 +34,7 @@ override_git_prompt_colors() {
   #Overrides the prompt_callback function used by bash-git-prompt
   function prompt_callback {
     local PS1="\u@\h: $(gp_truncate_pwd)"
-    gp_set_window_title $PS1
+    gp_set_window_title "$PS1"
     echo -n "[${PS1}]${ResetColor}"
   }