1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rmt.h b/lib/rmt.h
index ff10e7c..721061c 100644
--- a/lib/rmt.h
+++ b/lib/rmt.h
@@ -25,7 +25,7 @@ int rmt_close__ (int);
 size_t rmt_read__ (int, char *, size_t);
 size_t rmt_write__ (int, char *, size_t);
 off_t rmt_lseek__ (int, off_t, int);
-int rmt_ioctl__ (int, int, char *);
+int rmt_ioctl__ (int, int, void *);
 
 extern bool force_local_option;