1 files changed, 5 insertions, 1 deletions
diff --git a/lib/active_file/sites/gcs_site.rb b/lib/active_file/sites/gcs_site.rb
index d9164621c2..71f065c608 100644
--- a/lib/active_file/sites/gcs_site.rb
+++ b/lib/active_file/sites/gcs_site.rb
@@ -32,7 +32,7 @@ class ActiveFile::Sites::GCSSite < ActiveFile::Site
   end
 
   def checksum(key)
-    file_for(key).md5.unpack("m0").first.unpack("H*").first
+    convert_to_hex base64: file_for(key).md5
   end
 
 
@@ -40,4 +40,8 @@ class ActiveFile::Sites::GCSSite < ActiveFile::Site
     def file_for(key)
       bucket.file(key)
     end
+
+    def convert_to_hex(base64:)
+      base64.unpack("m0").first.unpack("H*").first
+    end
 end