diff --git a/ci/setup_spack.sh b/ci/setup_spack.sh
index 15d68f0f0c505c031402fb09a78120574611470d..565788350dc522136585ced82552535b83d6bb8a 100755
--- a/ci/setup_spack.sh
+++ b/ci/setup_spack.sh
@@ -26,7 +26,7 @@ then
   spack/bin/spack env create ${environment}
 fi
 
-for file in mirrors packages concretizer config spack
+for file in mirrors packages concretizer config spack definitions
 do
   if [ -e "${STACK_CONFIG_PATH}/${file}.yaml" ]; then
     echo "Copying ${STACK_CONFIG_PATH}/${file}.yaml to ${SPACK_SYSTEM_CONFIG_PATH}"