diff --git a/src/types.cc b/src/types.cc
index 2a9924c..ecd8c4b 100644
--- a/src/types.cc
+++ b/src/types.cc
@@ -388,6 +388,7 @@ namespace EngineReg {
   };
 
   static const luaL_Reg methods[] = {
+    { "commit_text", WRAPMEM(T::CommitText) },
     { NULL, NULL },
   };