diff --git a/src/if_ruby.c b/src/if_ruby.c
index 2295fa5b1..6135c5d5b 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -869,7 +869,7 @@ static VALUE buffer_append(VALUE self, VALUE num, VALUE str)
     long	n = NUM2LONG(num);
     aco_save_T	aco;
 
-    if (line != NULL) {
+    if (line == NULL) {
 	rb_raise(rb_eIndexError, "NULL line");
     }
     else if (n >= 0 && n <= buf->b_ml.ml_line_count)
diff --git a/src/version.c b/src/version.c
index 3d1455f11..5f1e3bd26 100644
--- a/src/version.c
+++ b/src/version.c
@@ -681,6 +681,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    368,
 /**/
     367,
 /**/