diff --git a/index.js b/index.js
index 19db76d..af01de6 100644
--- a/index.js
+++ b/index.js
@@ -17,7 +17,7 @@ This is a generalized solution to the problem of modular plumbing, and should al
 
 module.exports = function createVersionedSpecialMatcher({ markerProperty, versionProperty, friendlyName, expectedVersions }) {
 	return function isSpecial(value) {
-		if (value[markerProperty]) {
+		if (value != null && value[markerProperty]) {
 			if (expectedVersions.includes(value[versionProperty])) {
 				return true;
 			} else {