diff --git a/scanner/scanner.go b/scanner/scanner.go
index 6369cfee..4b8e665f 100644
--- a/scanner/scanner.go
+++ b/scanner/scanner.go
@@ -141,7 +141,7 @@ func (s *Scanner) newLineCount(src []rune) int {
 }
 
 func (s *Scanner) updateIndentState(ctx *Context) {
-	indentNumBasedIndentState := s.indentState
+	var indentNumBasedIndentState IndentState
 	if s.prevIndentNum < s.indentNum {
 		s.indentLevel = s.prevIndentLevel + 1
 		indentNumBasedIndentState = IndentStateUp