diff --git a/config/mongoid.yml b/config/mongoid.yml
index 8b08b667..d679479f 100644
--- a/config/mongoid.yml
+++ b/config/mongoid.yml
@@ -9,11 +9,11 @@ defaults: &defaults
 
 development:
   <<: *defaults
-  database: locomotive_dev
+  database: locomotive_rails_3_1_dev
 
 test:
   <<: *defaults
-  database: locomotive_test
+  database: locomotive_rails_3_1_test
 
 # set these environment variables on your prod server
 production: