diff --git a/buildstable.bash b/buildstable.bash
index c2379e3..eee26b2 100644
--- a/buildstable.bash
+++ b/buildstable.bash
@@ -13,5 +13,5 @@ wget https://github.com/minetest/irrlicht/archive/master.tar.gz
 tar xf master.tar.gz
 mv irrlicht-master irrlichtmt
 cd ..
-cmake . -DRUN_IN_PLACE=TRUE -DBUILD_SERVER=TRUE -DBUILD_CLIENT=FALSE
+cmake . -DRUN_IN_PLACE=TRUE -DBUILD_SERVER=TRUE -DBUILD_CLIENT=FALSE -DCMAKE_BUILD_TYPE=Release
 make -j$(nproc)