diff --git a/src/viminfo.c b/src/viminfo.c
index 540422c..11a2946 100644
--- a/src/viminfo.c
+++ b/src/viminfo.c
@@ -251,7 +251,7 @@
 viminfo_readstring(
     vir_T	*virp,
     int		off,		    // offset for virp->vir_line
-    int		convert UNUSED)	    // convert the string
+    int		convert)	    // convert the string
 {
     char_u	*retval = NULL;
     char_u	*s, *d;