diff --git a/lib/src/code_field/code_field.dart b/lib/src/code_field/code_field.dart
index 51dfb0cc..5ea622d9 100644
--- a/lib/src/code_field/code_field.dart
+++ b/lib/src/code_field/code_field.dart
@@ -514,7 +514,7 @@ class _CodeFieldState extends State<CodeField> {
       widget.controller.selection.base,
       Rect.zero,
     );
-    return (widget.controller.selection.base.offset > 0) ? caretFullHeight! : 0;
+    return caretFullHeight ?? 0;
   }
 
   double _getPopupLeftOffset(TextPainter textPainter) {