diff --git a/trove_dashboard/content/database_clusters/forms.py b/trove_dashboard/content/database_clusters/forms.py
index 18960f3..36672df 100644
--- a/trove_dashboard/content/database_clusters/forms.py
+++ b/trove_dashboard/content/database_clusters/forms.py
@@ -346,7 +346,7 @@ class ClusterAddInstanceForm(forms.SelfHandlingForm):
 
     def __init__(self, request, *args, **kwargs):
         super(ClusterAddInstanceForm, self).__init__(request, *args, **kwargs)
-
+        self.fields['cluster_id'].initial = kwargs['initial']['cluster_id']
         self.fields['flavor'].choices = self.populate_flavor_choices(request)
 
     @memoized.memoized_method
diff --git a/trove_dashboard/content/database_clusters/views.py b/trove_dashboard/content/database_clusters/views.py
index 9b8c966..43cf729 100644
--- a/trove_dashboard/content/database_clusters/views.py
+++ b/trove_dashboard/content/database_clusters/views.py
@@ -190,6 +190,11 @@ class ClusterAddInstancesView(horizon_forms.ModalFormView):
         context['submit_url'] = reverse(self.submit_url, args=args)
         return context
 
+    def get_initial(self):
+        initial = super(ClusterAddInstancesView, self).get_initial()
+        initial['cluster_id'] = self.kwargs['cluster_id']
+        return initial
+
     def get_success_url(self):
         return reverse(self.success_url, args=[self.kwargs['cluster_id']])