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-rw-r--r--lib/paperclip/gif_transcoder.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/paperclip/gif_transcoder.rb b/lib/paperclip/gif_transcoder.rb
index 64f12f963..9f3c8e8be 100644
--- a/lib/paperclip/gif_transcoder.rb
+++ b/lib/paperclip/gif_transcoder.rb
@@ -6,7 +6,7 @@ class GifReader
   EXTENSION_LABELS = [0xf9, 0x01, 0xff].freeze
   GIF_HEADERS      = %w(GIF87a GIF89a).freeze
 
-  class GifReaderException; end
+  class GifReaderException < StandardError; end
 
   class UnknownImageType < GifReaderException; end