diff --git a/platforms/common/spack_utils.sh b/platforms/common/spack_utils.sh
index b4708e9eca434c03609fc3b366abc61254017f52..1046273f47eb1cef2dc117c18cf7eec6bb678f5f 100644
--- a/platforms/common/spack_utils.sh
+++ b/platforms/common/spack_utils.sh
@@ -37,12 +37,16 @@ function load_spack() {
   export SPACK_USER_CACHE_PATH=$7      # i.e.: ${SPACK_ROOT}/spack_user_cache_path
   export SPACK_USER_CONFIG_PATH=$8     # i.e.: ${SPACK_ROOT}/spack_user_config_path
 
+  if [ "$SPACK_DISABLE_LOCAL_CONFIG" != "True" ]; then
+    unset SPACK_DISABLE_LOCAL_CONFIG
+  fi
+
   echo "SPACK_INIT_CMD                = $SPACK_INIT_CMD"
   echo "SPACK_ROOT                    = $SPACK_ROOT"
   echo "SPACK_URL                     = $SPACK_URL"
   echo "SPACK_BRANCH                  = $SPACK_BRANCH"
   echo "SPACK_COMPILER                = $SPACK_COMPILER"
-  echo "SPACK_DISABLE_LOCAL_CONFIG    = $SPACK_DISABLE_LOCAL_CONFIG"
+  echo "SPACK_DISABLE_LOCAL_CONFIG    = ${SPACK_DISABLE_LOCAL_CONFIG:-False}"
   echo "SPACK_USER_CACHE_PATH         = $SPACK_USER_CACHE_PATH"
   echo "SPACK_USER_CONFIG_PATH        = $SPACK_USER_CONFIG_PATH"