diff --git a/src/lexer/char-buffer/char-reader/source-char/index.ts b/src/lexer/char-buffer/char-reader/source-char/index.ts
index 3577751..2a372cf 100644
--- a/src/lexer/char-buffer/char-reader/source-char/index.ts
+++ b/src/lexer/char-buffer/char-reader/source-char/index.ts
@@ -1,4 +1,4 @@
-import Position from "../../../../util/position";
+import type { Position } from "../../../../util/position";
 
 export default interface SourceChar {
   value: string,