diff --git a/dashboard/vault.py b/dashboard/vault.py
index 2547fec23..accfd21c4 100644
--- a/dashboard/vault.py
+++ b/dashboard/vault.py
@@ -165,6 +165,7 @@ def is_project_type_valid(project_type):
 
 
 def get_project_type(project_type_id):
+    project_type_id = project_type_id.lower()
     if not is_project_type_valid(project_type_id):
         return None
     return get_vault()['project_types_index'][project_type_id]
@@ -187,6 +188,7 @@ def resolve_modules(module_ids):
 def resolve_project_types(project_types):
     modules = set()
     for pt in project_types:
+        pt = pt.lower()
         if is_project_type_valid(pt):
             modules |= resolve_modules(
                 get_vault()['project_types_index'][pt]['modules'])
diff --git a/stackalytics/processor/default_data_processor.py b/stackalytics/processor/default_data_processor.py
index 04ed93f59..769bb420c 100644
--- a/stackalytics/processor/default_data_processor.py
+++ b/stackalytics/processor/default_data_processor.py
@@ -131,8 +131,10 @@ def _store_companies(runtime_storage_inst, companies):
 
 
 def _store_module_groups(runtime_storage_inst, module_groups):
-    mg_set = dict([(mg['module_group_name'], mg) for mg in module_groups])
-    runtime_storage_inst.set_by_key('module_groups', mg_set)
+    stored_mg = runtime_storage_inst.get_by_key('module_groups') or {}
+    for mg in module_groups:
+        stored_mg[mg['module_group_name']] = mg
+    runtime_storage_inst.set_by_key('module_groups', stored_mg)
 
 
 STORE_FUNCS = {