diff --git a/lib/propshaft/asset.rb b/lib/propshaft/asset.rb
index 295de78c..d819f739 100644
--- a/lib/propshaft/asset.rb
+++ b/lib/propshaft/asset.rb
@@ -18,7 +18,7 @@ def initialize(path, logical_path:, load_path:)
   end
 
   def content(encoding: "ASCII-8BIT")
-    File.read(path, encoding: encoding)
+    File.read(path, encoding: encoding, mode: "rb")
   end
 
   def content_type