diff --git a/build-config.sh b/build-config.sh
index e68a1023..36be9ce7 100644
--- a/build-config.sh
+++ b/build-config.sh
@@ -60,6 +60,8 @@ include_core_gambatte
 include_core_meteor
 include_core_nxengine
 include_core_prboom
+include_core_mrboom
+include_core_xrick
 include_core_stella
 include_core_desmume
 include_core_melonds