diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7dd4c6f..1b3b4c22 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,3 +94,4 @@ target_include_directories(${TARGET} PUBLIC
 add_subdirectory(tutorial)
 add_subdirectory(test)
 add_subdirectory(src/tools)
+add_subdirectory(pcrf_test)
diff --git a/build.sh b/build.sh
index c11445c5..51708822 100755
--- a/build.sh
+++ b/build.sh
@@ -9,8 +9,8 @@ if [[ -r /opt/rh/devtoolset-6/enable ]]; then
     source /opt/rh/devtoolset-6/enable
 fi
 #rm -f -r build || true
-mkdir -p build-${CONFIG}
-pushd  build-${CONFIG} &> /dev/null
+mkdir -p cmake-build-${CONFIG}
+pushd  cmake-build-${CONFIG} &> /dev/null
 if [[ ! -r Makefile ]]; then
     cmake .. -DCMAKE_BUILD_TYPE=${CONFIG}
 fi