diff --git a/src/misc2.c b/src/misc2.c
index 8f19578..acb04b6 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -6286,7 +6286,7 @@
     char_u	buf[8];
 
     time_to_bytes(the_time, buf);
-    fwrite(buf, (size_t)8, (size_t)1, fd);
+    (void)fwrite(buf, (size_t)8, (size_t)1, fd);
 }
 
 /*