diff --git a/app/__init_for_pythonanywhere__.py b/app/__init_for_pythonanywhere__.py
index 7b01729..a79979a 100644
--- a/app/__init_for_pythonanywhere__.py
+++ b/app/__init_for_pythonanywhere__.py
@@ -160,6 +160,7 @@ def setup_logger(name, log_file, level=logging.INFO):
 # Jinja global variables
 ########################
 
+dir_path = DEFAULT_PATH
 app.config['OWN_BRAND'] = True if getenv('OWN_BRAND', "false").lower() == 'true' else False
 logo_path = getenv('LOGO_PATH', '')
 if logo_path != '' and path.isfile(join(logo_path, "logo.png")):
diff --git a/app/search/score_pages.py b/app/search/score_pages.py
index 177cf30..97a4a43 100644
--- a/app/search/score_pages.py
+++ b/app/search/score_pages.py
@@ -75,7 +75,7 @@ def mk_vec_matrix(lang):
     for i in range(1,len(npzs)):
         npz = load_npz(npzs[i]).toarray()
         username = npzs[i].split('.u.')[1].replace('.npz','')
-        m = vstack((m, npz))
+        m = vstack((csr_matrix(m), csr_matrix(npz)))
         c+=npz.shape[0]
         bins.append(c)
         idxs = joblib.load(join(pod_dir, username, lang, npzs[i].replace('.npz','')+'.npz.idx'))[1]