diff --git a/htmlbars-plugins/touch-action.js b/htmlbars-plugins/touch-action.js
index 15ae4ac..66de80a 100644
--- a/htmlbars-plugins/touch-action.js
+++ b/htmlbars-plugins/touch-action.js
@@ -146,7 +146,7 @@ function sexpr(node) {
function setConfigValues(config) {
config = config || {};
- touchActionOnAction = config.touchActionOnAction || touchActionOnAction;
+ touchActionOnAction = typeof config.touchActionOnAction === 'undefined' ? touchActionOnAction : config.touchActionOnAction;
touchActionAttributes = config.touchActionAttributes || touchActionAttributes;
touchActionSelectors = config.touchActionSelectors || touchActionSelectors;
touchActionProperties = config.touchActionProperties || touchActionProperties;