diff --git a/src/compose-rules.js b/src/compose-rules.js
index a5ab344..57d631b 100644
--- a/src/compose-rules.js
+++ b/src/compose-rules.js
@@ -81,7 +81,7 @@ module.exports.compose = function composeValidators(validators) {
 			let errors = [];
 
 			for (let rule of nonMarkerRules) {
-				if (value != null || rule.callIfNull === true) {
+				if (lastValue != null || rule.callIfNull === true) {
 					let result = callRule({
 						rule: rule,
 						value: lastValue,