diff --git a/pinaxcon/proposals/admin.py b/pinaxcon/proposals/admin.py
index a65159f7f2b62b7325e26fb3ba702cec177b8c91..b5418e6496534b6c5d8381f48b1919ebce879179 100644
--- a/pinaxcon/proposals/admin.py
+++ b/pinaxcon/proposals/admin.py
@@ -1,7 +1,17 @@
 from django.contrib import admin
 
 import models
+from symposion.proposals import models as symposion_models
 
-admin.site.register(models.TalkProposal)
-admin.site.register(models.TutorialProposal)
-admin.site.register(models.MiniconfProposal)
+
+@admin.register(models.TalkProposal)
+@admin.register(models.TutorialProposal)
+@admin.register(models.MiniconfProposal)
+class CategoryAdmin(admin.ModelAdmin):
+
+    class AdditionalSpeakerInline(admin.TabularInline):
+        model = symposion_models.AdditionalSpeaker
+
+    inlines = [
+        AdditionalSpeakerInline,
+    ]