1 files changed, 8 insertions, 1 deletions
diff --git a/lib/gitlab/database/sha_attribute.rb b/lib/gitlab/database/sha_attribute.rb
index 776e80701f1..bad6d3e2a9b 100644
--- a/lib/gitlab/database/sha_attribute.rb
+++ b/lib/gitlab/database/sha_attribute.rb
@@ -24,7 +24,14 @@ module Gitlab
       def serialize(value)
         arg = value ? [value].pack(PACK_FORMAT) : nil
 
-        super(arg)
+        BINARY_TYPE.new.serialize(arg)
+      end
+
+      # Casts a SHA1 in hexadecimal to the proper binary format.
+      def self.serialize(value)
+        arg = value ? [value].pack(PACK_FORMAT) : nil
+
+        BINARY_TYPE.new.serialize(arg)
       end
     end
   end