diff --git a/basics/which.tape b/basics/which.tape
index 67e3de4..5e30340 100644
--- a/basics/which.tape
+++ b/basics/which.tape
@@ -1,3 +1,5 @@
+Require cmus
+
 Type "whereis cmus"
 Enter
 Sleep 1s
diff --git a/data/w3m.tape b/data/w3m.tape
index f356aec..3c1a6d3 100644
--- a/data/w3m.tape
+++ b/data/w3m.tape
@@ -1,3 +1,5 @@
+Require w3m
+
 Sleep 1s
 Type "w3m ddg.gg"
 Sleep 500ms
@@ -39,4 +41,3 @@ Type " "
 Sleep 2s
 Type "qy"
 Sleep 500ms
-Ctrl+D