diff --git a/CI/before_script.osx.sh b/CI/before_script.osx.sh
index 9697c757c9..15d6862db6 100755
--- a/CI/before_script.osx.sh
+++ b/CI/before_script.osx.sh
@@ -14,14 +14,16 @@ cmake \
 -D CMAKE_C_COMPILER_LAUNCHER="$CCACHE_EXECUTABLE" \
 -D CMAKE_CXX_COMPILER_LAUNCHER="$CCACHE_EXECUTABLE" \
 -D CMAKE_CXX_FLAGS="-std=c++11 -stdlib=libc++" \
+-D CMAKE_C_FLAGS_RELEASE="-g -O0" \
+-D CMAKE_CXX_FLAGS_RELEASE="-g -O0" \
 -D CMAKE_OSX_DEPLOYMENT_TARGET="10.9" \
--D CMAKE_BUILD_TYPE=DEBUG \
+-D CMAKE_BUILD_TYPE=RELEASE \
 -D OPENMW_OSX_DEPLOYMENT=TRUE \
 -D BUILD_OPENMW=TRUE \
 -D BUILD_OPENCS=FALSE \
--D BUILD_ESMTOOL=FALSE \
--D BUILD_BSATOOL=FALSE \
--D BUILD_ESSIMPORTER=FALSE \
--D BUILD_NIFTEST=FALSE \
+-D BUILD_ESMTOOL=TRUE \
+-D BUILD_BSATOOL=TRUE \
+-D BUILD_ESSIMPORTER=TRUE \
+-D BUILD_NIFTEST=TRUE \
 -G"Unix Makefiles" \
 ..