diff --git a/samples/mpscore/.mps/modules.xml b/samples/mpscore/.mps/modules.xml
index c40e6bf0..33a1821c 100644
--- a/samples/mpscore/.mps/modules.xml
+++ b/samples/mpscore/.mps/modules.xml
@@ -35,7 +35,8 @@
       <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.methodReferencesExt.test/jetbrains.mps.baseLanguage.methodReferencesExt.test.msd" folder="test" />
       <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd" folder="test" />
       <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd" folder="test" />
-      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd" folder="ext.lang" />
+      <modulePath path="$PROJECT_DIR$/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd" folder="test" />
+      <modulePath path="$PROJECT_DIR$/solutions/samples.mpscore.build/samples.mpscore.build.msd" folder="build" />
       <modulePath path="$PROJECT_DIR$/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd" folder="test" />
     </projectModules>
   </component>