diff --git a/containers/tests/group1/compose.yaml b/containers/tests/group1/compose.yaml
index 65cbc84..d480876 100644
--- a/containers/tests/group1/compose.yaml
+++ b/containers/tests/group1/compose.yaml
@@ -16,8 +16,15 @@ services:
     command: python -m http.server
 
   service3:
-    hostname: service2
+    hostname: service3
     image: python:latest
     ports:
       - 18002:8000
     command: python -m http.server
+
+  service4:
+    hostname: servicef
+    image: python:latest
+    ports:
+      - 18003:8000
+    command: python -m http.server
diff --git a/containers_sugar/sugar.py b/containers_sugar/sugar.py
index d39f9d0..43579a4 100644
--- a/containers_sugar/sugar.py
+++ b/containers_sugar/sugar.py
@@ -202,7 +202,10 @@ def _load_service_names(self):
         services = self.service_group['services']
 
         if self.args.all:
-            self.service_names = []
+            self.service_names = [
+                v['name']
+                for v in self.service_group.get('services', {}).get('list')
+            ]
         elif self.args.services == '':
             pass
         elif self.args.services: