diff --git a/example/hello_world/docker-compose.yml b/example/hello_world/docker-compose.yml
index 2cc054d..33c6f1a 100644
--- a/example/hello_world/docker-compose.yml
+++ b/example/hello_world/docker-compose.yml
@@ -31,7 +31,7 @@ services:
     environment:
       MYSQL_ROOT_PASSWORD: changeme
     volumes:
-      - "${TARGETDIR}/db:/var/lib/mysql"
+      - "${KIWI_PROJECT}/db:/var/lib/mysql"
 
   adminer:
     # admin interface for databases
@@ -46,10 +46,10 @@ services:
       - "8081:8080"
 
   another-web:
-    # Another webserver just to show off the ${CONFIGDIR} variable
+    # Another webserver just to show off the ${KIWI_CONFIG} variable
     image: nginx:stable-alpine
     restart: unless-stopped
     ports:
       - "8082:80"
     volumes:
-      - "${CONFIGDIR}/html/index.html:/usr/share/nginx/html/index.html:ro"
+      - "${KIWI_CONFIG}/html/index.html:/usr/share/nginx/html/index.html:ro"
diff --git a/kiwi_scp/project.py b/kiwi_scp/project.py
index d816a7a..0801dc3 100644
--- a/kiwi_scp/project.py
+++ b/kiwi_scp/project.py
@@ -39,18 +39,18 @@ class Project:
         directory: Path = self.directory
         project_name: str = self.name
         kiwi_hub_name: str = self.parent_instance.config.network.name
-        target_root_dir: Path = self.parent_instance.config.storage.directory
-        conf_dir: Path = target_root_dir.joinpath(CONFIG_DIRECTORY_NAME)
-        target_dir: Path = target_root_dir.joinpath(project_name)
+        kiwi_instance_dir: Path = self.parent_instance.config.storage.directory
+        kiwi_config_dir: Path = kiwi_instance_dir.joinpath(CONFIG_DIRECTORY_NAME)
+        kiwi_project_dir: Path = kiwi_instance_dir.joinpath(project_name)
 
         result: Dict[str, Any] = {
             "cwd": str(directory),
             "env": {
                 "COMPOSE_PROJECT_NAME": project_name,
                 "KIWI_HUB_NAME": kiwi_hub_name,
-                "TARGETROOT": str(target_root_dir),
-                "CONFIGDIR": str(conf_dir),
-                "TARGETDIR": str(target_dir),
+                "KIWI_INSTANCE": str(kiwi_instance_dir),
+                "KIWI_CONFIG": str(kiwi_config_dir),
+                "KIWI_PROJECT": str(kiwi_project_dir),
             },
         }