diff --git a/src/if_ruby.c b/src/if_ruby.c
index 3b5b93b056..ab4ac69972 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -1238,7 +1238,7 @@ static VALUE window_set_cursor(VALUE self, VALUE pos)
     return Qnil;
 }
 
-static VALUE f_nop(VALUE self)
+static VALUE f_nop(VALUE self UNUSED)
 {
     return Qnil;
 }
diff --git a/src/version.c b/src/version.c
index 7bce14667d..ea9bc62858 100644
--- a/src/version.c
+++ b/src/version.c
@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    503,
 /**/
     502,
 /**/