diff --git a/git-flow-release b/git-flow-release
index cc861a9..7a102d1 100644
--- a/git-flow-release
+++ b/git-flow-release
@@ -64,7 +64,7 @@
 	parse_args "$@"
 
 	# sanity checks
-	gitflow_check_clean_working_tree
+	gitflow_require_clean_working_tree
 	git fetch -q $ORIGIN
 	gitflow_require_branches_equal $DEVELOP_BRANCH $ORIGIN/$DEVELOP_BRANCH
 	gitflow_require_branch_absent $BRANCH
@@ -90,7 +90,7 @@
 	parse_args "$@"
 
 	# sanity checks
-	gitflow_check_clean_working_tree
+	gitflow_require_clean_working_tree
 	git fetch -q $ORIGIN
 	gitflow_require_branches_equal $MASTER_BRANCH $ORIGIN/$MASTER_BRANCH
 	gitflow_require_branches_equal $DEVELOP_BRANCH $ORIGIN/$DEVELOP_BRANCH