1 files changed, 3 insertions, 0 deletions
diff --git a/src/js/node/readline.js b/src/js/node/readline.js
index 681cbba62..8d7d2627a 100644
--- a/src/js/node/readline.js
+++ b/src/js/node/readline.js
@@ -996,6 +996,9 @@ function* emitKeys(stream) {
       // Escape sequence timeout
       keyName = ch.length ? undefined : "escape";
       keyMeta = true;
+    } else {
+      // Otherwise, unhandled
+      keyName = undefined;
     }
 
     keySeq = s;