diff --git a/share/install_gems/install_gems b/share/install_gems/install_gems
index 8320bb7815..90a9c3300f 100755
--- a/share/install_gems/install_gems
+++ b/share/install_gems/install_gems
@@ -15,11 +15,11 @@ GROUPS={
     :sunstone => %w{json rack sinatra thin},
     :cloud => %w{amazon-ec2 rack sinatra thin uuid curb},
     :ozones_client => %w{json},
-    :ozones_server => %w{json datamapper dm-sqlite-adapter dm-mysql-adapter}+[
+    :ozones_server => %w{json data_mapper dm-sqlite-adapter dm-mysql-adapter}+[
         SQLITE, 'mysql'
     ],
-    :ozones_server_sqlite => %w{json datamapper dm-sqlite-adapter}<<SQLITE,
-    :ozones_server_mysql => %w{json datamapper dm-mysql-adapter mysql},
+    :ozones_server_sqlite => %w{json data_mapper dm-sqlite-adapter}<<SQLITE,
+    :ozones_server_mysql => %w{json data_mapper dm-mysql-adapter mysql},
     :acct => ['sequel', SQLITE, 'mysql'],
     :acct_sqlite => ['sequel', SQLITE],
     :acct_mysql => ['sequel', 'mysql']