1 files changed, 2 insertions, 1 deletions
diff --git a/generator/form.h b/generator/form.h
index 37fd3cc..f3dd779 100644
--- a/generator/form.h
+++ b/generator/form.h

@@ -3,6 +3,7 @@
 #include <string>
 #include <set>
+#include <hkutil/database.h>
 namespace verbly {
  namespace generator {
@@ -68,7 +69,7 @@ namespace verbly {
    // Serializer
-    database& operator<<(database& db, const form& arg);
+    hatkirby::database& operator<<(hatkirby::database& db, const form& arg);
  };
 };