diff --git a/src/js/completion.ts b/src/js/completion.ts
index 0f74707..3cec55c 100644
--- a/src/js/completion.ts
+++ b/src/js/completion.ts
@@ -16,7 +16,7 @@ function handleCompletion(e: KeyboardEvent) {
 
   for (const command of Object.keys(commands)) {
     if (command.startsWith(input)) {
-      cmdInput.value = command
+      cmdInput.value = command + " "
       return
     }
   }