lib/image_optim/worker/pngcrush.rb in image_optim-0.27.0 vs lib/image_optim/worker/pngcrush.rb in image_optim-0.27.1

@@ -37,11 +37,11 @@
         chunks.each do |chunk|
           flags.push '-rem', chunk
         end
         flags.push '-fix' if fix
         flags.push '-brute' if brute
-        if resolve_bin!(:pngcrush).version >= '1.7.38'
-          flags.push '-blacken' if blacken
+        if blacken && resolve_bin!(:pngcrush).version >= '1.7.38'
+          flags.push '-blacken'
         end
 
         args = flags + %W[
           --
           #{src}