diff --git a/colab.spec b/colab.spec
index 167d787..b8e995d 100644
--- a/colab.spec
+++ b/colab.spec
@@ -132,7 +132,7 @@ EMAIL_SUBJECT_PREFIX: '[colab]'
 
 SECRET_KEY: '$SECRET_KEY'
 
-SITE_URL: 'http://localhost:8000/'
+SITE_URL: 'http://localhost:8000'
 BROWSERID_AUDIENCES:
   - http://localhost:8000
 #  - http://example.com
diff --git a/colab/management/initconfig.py b/colab/management/initconfig.py
index ff98405..142ee45 100644
--- a/colab/management/initconfig.py
+++ b/colab/management/initconfig.py
@@ -28,7 +28,8 @@ EMAIL_SUBJECT_PREFIX: '[colab]'
 
 SECRET_KEY: '{secret_key}'
 
-SITE_URL: 'http://localhost:8000/'
+#  Must use it without trailing slash
+SITE_URL: 'http://localhost:8000'
 BROWSERID_AUDIENCES:
   - http://localhost:8000
 #  - http://example.com
--
libgit2 0.21.2