diff --git a/tests/test_container_template.py b/tests/test_container_template.py
index a2fa6e1..07624f3 100644
--- a/tests/test_container_template.py
+++ b/tests/test_container_template.py
@@ -30,10 +30,12 @@
     try:
         out = subprocess.run('docker')
         pwd = os.getcwd()
-        PREFIX = f'docker run -p {port}:{port} container_template'
+        PREFIX = (f'docker run -p {port}:{port} ' +
+                  'ghcr.io/precimed/container_template')
         PREFIX_MOUNT = (
             f'docker run -p {port}:{port} ' +
-            f'--mount type=bind,source={pwd},target={pwd} container_template')
+            f'--mount type=bind,source={pwd},target={pwd} ' +
+            'ghcr.io/precimed/container_template')
     except FileNotFoundError:
         raise FileNotFoundError(
             'Neither `singularity` nor `docker` found in PATH.' +