diff --git a/internal/code/compare.go b/internal/code/compare.go
index ed71aebdf3..df00d18157 100644
--- a/internal/code/compare.go
+++ b/internal/code/compare.go
@@ -47,10 +47,7 @@ func CompatibleTypes(expected types.Type, actual types.Type) error {
 			return nil
 		} else if actual, ok := actual.(*types.Named); ok {
 			if underlyingBasic, ok := actual.Underlying().(*types.Basic); ok {
-				if underlyingBasic.Kind() != expected.Kind() {
-					return fmt.Errorf("basic kind differs with underlying, %s != %s", expected.Name(), underlyingBasic.Name())
-				}
-				return nil
+				return CompatibleTypes(expected, underlyingBasic)
 			}
 		}