diff --git a/lib/ui/textinput.go b/lib/ui/textinput.go
index 8bc32b0..f09ebb4 100644
--- a/lib/ui/textinput.go
+++ b/lib/ui/textinput.go
@@ -70,6 +70,9 @@ func (ti *TextInput) String() string {
 }
 
 func (ti *TextInput) StringLeft() string {
+	for ti.index >= len(ti.text) {
+		ti.index = len(ti.text) - 1
+	}
 	return string(ti.text[:ti.index])
 }