1 files changed, 1 insertions, 1 deletions
diff --git a/lib.h b/lib.h
index 77b5a342..5198feac 100644
--- a/lib.h
+++ b/lib.h
@@ -797,7 +797,7 @@ val make_time_utc(val year, val month, val day,
 
 void init(const wchar_t *progname, mem_t *(*oom_realloc)(mem_t *, size_t),
           val *stack_bottom);
-void compat_fixup(int compat_ver);
+int compat_fixup(int compat_ver);
 void dump(val obj, val stream);
 void d(val obj);
 void breakpt(void);