diff --git a/git-flow b/git-flow
index 97b1b34..004aa2e 100755
--- a/git-flow
+++ b/git-flow
@@ -42,7 +42,9 @@
 	set -x
 fi
 
-export GITFLOW_DIR=$(dirname "$0")
+# The sed expression here replaces all backslashes by forward slashes.
+# This helps our Windows users, while not bothering our Unix users.
+export GITFLOW_DIR=$(dirname $(echo "$0" | sed -e 's,\\,/,g'))
 
 usage() {
 	echo "usage: git flow <subcommand>"