diff --git a/readline/codes.go b/readline/codes.go
index 56d44fb..e97af90 100644
--- a/readline/codes.go
+++ b/readline/codes.go
@@ -34,7 +34,6 @@ const (
 	charCtrlHat               // ^^
 	charCtrlUnderscore        // ^_
 	charBackspace2      = 127 // ASCII 1963
-
 )
 
 // Escape sequences
diff --git a/readline/readline.go b/readline/readline.go
index f703489..255fcd6 100644
--- a/readline/readline.go
+++ b/readline/readline.go
@@ -557,8 +557,8 @@ func (rl *Instance) editorInput(r []rune) {
 		rl.refreshVimStatus()
 
 	default:
-		// For some reason Ctrl+k messes with the input line, so ignore it.
-		if r[0] == 11 {
+		// Don't insert control keys
+		if r[0] >= 1 && r[0] <= 31 {
 			return
 		}
 		// We reset the history nav counter each time we come here: