diff --git a/deployment/project_env.sh b/deployment/project_env.sh
index 05bcaf2..d3cc325 100755
--- a/deployment/project_env.sh
+++ b/deployment/project_env.sh
@@ -17,7 +17,8 @@ if [ ! -f "$PROJECT_DEFINITION_PATH" ]; then
 fi
 
 source "$PROJECT_DEFINITION_PATH"
-export PRIMARY_SITE_DEFINITION_PATH="$SITES_PATH/$PRIMARY_DOMAIN/site_definition"
+
+export PRIMARY_SITE_DEFINITION_PATH="$SITES_PATH/$PRIMARY_DOMAIN/site.conf"
 
 if [ ! -f "$PRIMARY_SITE_DEFINITION_PATH" ]; then
     echo "ERROR: the site definition does not exist."
diff --git a/deployment/update.sh b/deployment/update.sh
index 22ac216..038b93f 100755
--- a/deployment/update.sh
+++ b/deployment/update.sh
@@ -51,7 +51,7 @@ for PROJECT_CHAIN in ${DEPLOYMENT_STRING//,/ }; do
 
     # source the site path so we know what features it has.
     source ../defaults.sh
-    source "$SITE_PATH/site_definition"
+    source "$SITE_PATH/site.conf"
     source ./project/domain_env.sh
 
     # now we want to switch the git HEAD of the project subdirectory to the