diff --git a/CHANGELOG.md b/CHANGELOG.md
index 019f8b436..f60fcd6b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 3.0.5
+### Fixed
+- Fixed backwards compatibility for translating ON_HEROKU=1 to ON_CLOUD=1
+
 ## 3.0.4
 ### Fixed
 - fix shell's error during hit_create that prevented ad url from showing.
diff --git a/psiturk/psiturk_config.py b/psiturk/psiturk_config.py
index 70bad2c68..3113fbc64 100644
--- a/psiturk/psiturk_config.py
+++ b/psiturk/psiturk_config.py
@@ -47,7 +47,7 @@ def load_config(self):
 
         # Backwards compatibility
         if 'ON_HEROKU' in os.environ:
-            os.environ['ON_CLOUD'] = 1
+            os.environ['ON_CLOUD'] = '1'
 
         # read in default cloud config
         if 'ON_CLOUD' in os.environ:
diff --git a/psiturk/version.py b/psiturk/version.py
index f1d4b9f4d..3d08e2af7 100644
--- a/psiturk/version.py
+++ b/psiturk/version.py
@@ -1 +1 @@
-version_number = '3.0.4'
+version_number = '3.0.5'