diff --git a/samples/lambdacalc/languages/sample.lambdacalc/sample.lambdacalc.mpl b/samples/lambdacalc/languages/sample.lambdacalc/sample.lambdacalc.mpl
index 6e725030..31aceb58 100644
--- a/samples/lambdacalc/languages/sample.lambdacalc/sample.lambdacalc.mpl
+++ b/samples/lambdacalc/languages/sample.lambdacalc/sample.lambdacalc.mpl
@@ -57,6 +57,7 @@
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
     <language slang="l:b83431fe-5c8f-40bc-8a36-65e25f4dd253:jetbrains.mps.lang.textGen" version="1" />
     <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
+    <language slang="l:4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462:jetbrains.mps.lang.typechecking" version="0" />
     <language slang="l:7a5dda62-9140-4668-ab76-d5ed1746f2b2:jetbrains.mps.lang.typesystem" version="1" />
     <language slang="l:35320f26-77cb-4c55-be9f-a97a27770af1:jetbrains.mps.logic" version="2" />
     <language slang="l:af858d84-85f2-42f4-a854-0b3c6b5cd482:sample.lambdacalc" version="0" />
@@ -67,6 +68,7 @@
     <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
     <module reference="498d89d2-c2e9-11e2-ad49-6cf049e62fe5(MPS.IDEA)" version="0" />
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
+    <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />