diff --git a/src/games/mash.js b/src/games/mash.js
index b2dbea7..32332b9 100755
--- a/src/games/mash.js
+++ b/src/games/mash.js
@@ -153,6 +153,10 @@ function define(word, context) {
 }
 
 function sanitizeDefinition(definition, answers) {
+	if (!definition) {
+		return 'No definition';
+	}
+
 	return definition.replaceAll(/\w+/g, (word) => {
 		if (answers.some((answer) => answer.word.includes(word))) {
 			return '*'.repeat(word.length);