4 files changed, 8 insertions, 8 deletions
diff --git a/lib/active_file/sites/disk_site.rb b/lib/active_file/sites/disk_site.rb
index 41b883498a..e5572073ed 100644
--- a/lib/active_file/sites/disk_site.rb
+++ b/lib/active_file/sites/disk_site.rb
@@ -9,9 +9,9 @@ class ActiveFile::Sites::DiskSite < ActiveFile::Site
   end
 
 
-  def upload(key, data)
+  def upload(key, io)
     File.open(make_path_for(key), "wb") do |file|
-      while chunk = data.read(65536)
+      while chunk = io.read(65536)
         file.write(chunk)
       end
     end
diff --git a/lib/active_file/sites/gcs_site.rb b/lib/active_file/sites/gcs_site.rb
index 71f065c608..f5f8696f56 100644
--- a/lib/active_file/sites/gcs_site.rb
+++ b/lib/active_file/sites/gcs_site.rb
@@ -8,8 +8,8 @@ class ActiveFile::Sites::GCSSite < ActiveFile::Site
     @bucket = @client.bucket(bucket)
   end
 
-  def upload(key, data)
-    bucket.create_file(data, key)
+  def upload(key, io)
+    bucket.create_file(io, key)
   end
 
   def download(key)
diff --git a/lib/active_file/sites/mirror_site.rb b/lib/active_file/sites/mirror_site.rb
index f734f3ebf9..051d139af1 100644
--- a/lib/active_file/sites/mirror_site.rb
+++ b/lib/active_file/sites/mirror_site.rb
@@ -5,8 +5,8 @@ class ActiveFile::Sites::MirrorSite < ActiveFile::Site
     @sites = sites
   end
 
-  def upload(key, data)
-    perform_across_sites :upload, key, data
+  def upload(key, io)
+    perform_across_sites :upload, key, io
   end
 
   def download(key)
diff --git a/lib/active_file/sites/s3_site.rb b/lib/active_file/sites/s3_site.rb
index 4ede843cb4..e13b609881 100644
--- a/lib/active_file/sites/s3_site.rb
+++ b/lib/active_file/sites/s3_site.rb
@@ -8,8 +8,8 @@ class ActiveFile::Sites::S3Site < ActiveFile::Site
     @bucket = @client.bucket(bucket)
   end
 
-  def upload(key, data)
-    object_for(key).put(body: data)
+  def upload(key, io)
+    object_for(key).put(body: io)
   end
 
   def download(key)