1 files changed, 1 insertions, 1 deletions
diff --git a/lib/file.h b/lib/file.h
index 8b241b4..37a2998 100644
--- a/lib/file.h
+++ b/lib/file.h
@@ -39,7 +39,7 @@
 
 class File {
 public:
-  File(char *filename, char* ext);
+  File(const char *filename, const char* ext);
   ~File();
 
   int Write(void* data, int size);