diff --git a/lib/roken/vis.hin b/lib/roken/vis.hin
index 412a191e6..25d662a98 100644
--- a/lib/roken/vis.hin
+++ b/lib/roken/vis.hin
@@ -104,6 +104,7 @@ ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 	rk_strunvisx(char *, const char *, int);
 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 	rk_unvis(char *, int, int *, int);
+
 ROKEN_CPP_END
 
 #ifndef HAVE_VIS