1 files changed, 1 insertions, 1 deletions
diff --git a/src/rect.c b/src/rect.c
index 52c9dd4..fa02ceb 100644
--- a/src/rect.c
+++ b/src/rect.c
@@ -242,7 +242,7 @@ cg_rect_init(mrb_state *mrb)
     mrb, cg_cRect, "align_vertically?", cg_cRect_align_vertically,
     MRB_ARGS_REQ(1));
   mrb_define_method(
-    mrb, cg_cRect, "align_horizontally?", cg_cRect_align_vertically,
+    mrb, cg_cRect, "align_horizontally?", cg_cRect_align_horizontally,
     MRB_ARGS_REQ(1));
   mrb_define_method(
     mrb, cg_cRect, "collide?", cg_cRect_collide, MRB_ARGS_REQ(1));