diff --git a/src/authentic2/api_views.py b/src/authentic2/api_views.py
index 1c6c6f6b9..9bc7ccc18 100644
--- a/src/authentic2/api_views.py
+++ b/src/authentic2/api_views.py
@@ -727,7 +727,7 @@ class CsrfExemptSessionAuthentication(SessionAuthentication):
 
 
 class ValidatePasswordSerializer(serializers.Serializer):
-    password = serializers.CharField(required=True)
+    password = serializers.CharField(required=True, allow_blank=True)