diff --git a/src/runner/signals.ts b/src/runner/signals.ts
index c68e062..a649e18 100644
--- a/src/runner/signals.ts
+++ b/src/runner/signals.ts
@@ -1,4 +1,5 @@
 export const signals = [
+    "", // 0
     "Hangup", // 1 
     "Interrupt", // 2 
     "Quit", // 3