make branch prefixes configurable
diff --git a/git-flow-hotfix b/git-flow-hotfix
index a12619c..14ac662 100755
--- a/git-flow-hotfix
+++ b/git-flow-hotfix
@@ -35,7 +35,8 @@
 		usage
 		exit 1
 	fi
-	BRANCH=hotfix/$VERSION
+	PREFIX=$(git config --get gitflow.prefix.hotfix || echo hotfix/)
+	BRANCH=$PREFIX$VERSION
 }
 
 cmd_help() {