diff --git a/bin/lein b/bin/lein
index 6f8661c39..ee4ae44a8 100755
--- a/bin/lein
+++ b/bin/lein
@@ -27,12 +27,13 @@ do
 done
 
 export LEIN_HOME=${LEIN_HOME:-"$HOME/.lein"}
-LEIN_JAR="$LEIN_HOME/self-installs/leiningen-$LEIN_VERSION-standalone.jar"
 
 if [ "$OSTYPE" = "cygwin" ]; then
-    LEIN_HOME=`cygpath -w $LEIN_HOME`
+    export LEIN_HOME=`cygpath -w $LEIN_HOME`
 fi
 
+LEIN_JAR="$LEIN_HOME/self-installs/leiningen-$LEIN_VERSION-standalone.jar"
+
 # normalize $0 on certain BSDs
 if [ "$(dirname "$0")" = "." ]; then
     SCRIPT="$(which $(basename "$0"))"