diff --git a/src/test.nim b/src/test.nim
index caeb064..dae6e81 100644
--- a/src/test.nim
+++ b/src/test.nim
@@ -75,7 +75,7 @@ proc `$`*(x: ParserError): string =
     of charMismatchErr(expected: @expected, parser: @parser, index: @index, unexpected: @unexpected):
       # TODO: Only works for single line right now
       let original = parser.state.stream
-      let errSpace = " ".repeat(index - 1)
+      let errSpace = " ".repeat(max(0, index))
 
       &"""Parsing Error (Character Mismatch Error):
 {original}