1 files changed, 1 insertions, 1 deletions
diff --git a/src/prc1/lex.h b/src/prc1/lex.h
index 4ab3e70..758ad1d 100644
--- a/src/prc1/lex.h
+++ b/src/prc1/lex.h
@@ -9,7 +9,7 @@ enum tktype {UNDEF, ID, LIT, NUM, ANY};
 
 struct loc
 {
-    const char *f;
+    char *f;
     int line, col;
 };