diff --git a/Makefile b/Makefile
index 2bfde4b..4ca8757 100644
--- a/Makefile
+++ b/Makefile
@@ -97,7 +97,7 @@ deploy-roi-worker:
 
 test: FORCE
 	cd emtest && cargo test -- --nocapture
-	cd api; ./manage.py test tests
+	cd api; ./manage.py migrate && ./manage.py test tests
 	make -C detection test
 
 OPENCV_TAG := 4.9.0
diff --git a/api/products/admin.py b/api/products/admin.py
index f5bd385..d29f231 100644
--- a/api/products/admin.py
+++ b/api/products/admin.py
@@ -3,7 +3,11 @@ from .models import *
 
 # Register your models here.
 admin.site.register(CodeBatch)
-admin.site.register(SerialCode)
+
+class SerialCodeAdmin(admin.ModelAdmin):
+    search_fields = ('code')
+
+admin.site.register(SerialCode, SerialCodeAdmin)
 admin.site.register(Product)
 admin.site.register(Article)
 admin.site.register(AdminInfo)