diff --git a/theo/web/app.py b/theo/web/app.py
index f1f73fb..564b89e 100644
--- a/theo/web/app.py
+++ b/theo/web/app.py
@@ -33,15 +33,22 @@ def main(global_config, **settings):
     """
     This function returns a Pyramid WSGI application.
     """
-    # prefer Theo templates over Tailbone
-    settings.setdefault('mako.directories', ['theo.web:templates',
-                                             'tailbone:templates',])
+    # establish rattail config
+    rattail_config = app.make_rattail_config(settings)
+
+    # which template directories we want depends on integration
+    directories = ['theo.web:templates']
+    if integrate_corepos(rattail_config):
+        directories.append('tailbone_corepos:templates')
+    if integrate_catapult(rattail_config):
+        directories.append('tailbone_onager:templates')
+    directories.append('tailbone:templates')
+    settings.setdefault('mako.directories', directories)
 
     # for graceful handling of postgres restart
     settings.setdefault('retry.attempts', 2)
 
-    # make config objects
-    rattail_config = app.make_rattail_config(settings)
+    # establish pyramid config
     pyramid_config = app.make_pyramid_config(settings)
 
     # maybe configure integration db connections