diff --git a/VERSION b/VERSION
index 9789059a..09070daf 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.6.0-development+timestamp.2013.08.07.18.02.33
+Version 2.6.0-development+timestamp.2013.08.08.03.23.58
diff --git a/applications/admin/controllers/gae.py b/applications/admin/controllers/gae.py
index ddb13e0a..96dfc367 100644
--- a/applications/admin/controllers/gae.py
+++ b/applications/admin/controllers/gae.py
@@ -16,6 +16,11 @@ if MULTI_USER_MODE and not is_manager():
     session.flash = 'Not Authorized'
     redirect(URL('default', 'site'))
 
+from gluon.settings import settings
+if not settings.is_source:
+    session.flash = 'Requires running web2py from source'
+    redirect(URL(request.application, 'default', 'site'))
+
 forever = 10 ** 8
 
 
diff --git a/applications/admin/controllers/openshift.py b/applications/admin/controllers/openshift.py
index e42b61fc..d1887df6 100644
--- a/applications/admin/controllers/openshift.py
+++ b/applications/admin/controllers/openshift.py
@@ -10,6 +10,10 @@ except ImportError:
     session.flash = T('requires python-git, but not installed')
     redirect(URL('default', 'site'))
 
+from gluon.settings import settings
+if not settings.is_source:
+    session.flash = 'Requires running web2py from source'
+    redirect(URL(request.application, 'default', 'site'))
 
 def deploy():
     apps = sorted(file for file in os.listdir(apath(r=request)))
diff --git a/gluon/settings.py b/gluon/settings.py
index 76058408..92962570 100644
--- a/gluon/settings.py
+++ b/gluon/settings.py
@@ -36,3 +36,6 @@ global_settings.is_jython = \
     'java' in sys.platform.lower() or \
     hasattr(sys, 'JYTHON_JAR') or \
     str(sys.copyright).find('Jython') > 0
+
+global_settings.is_source = os.path.exists(os.path.join(
+        global_settings.gluon_parent,'web2py.py'))