diff --git a/gitprompt.sh b/gitprompt.sh
index 1b2954f..84791fa 100644
--- a/gitprompt.sh
+++ b/gitprompt.sh
@@ -1,4 +1,7 @@
-__GIT_PROMPT_DIR=~/.bash
+if [ "x$__GIT_PROMPT_DIR" == "x" ]
+then
+  __GIT_PROMPT_DIR=~/.bash
+fi
 
 # Colors
 # Reset