diff --git a/src/bindings/ruby/lib/hammer/internal.rb b/src/bindings/ruby/lib/hammer/internal.rb
index e799b27..63d2527 100644
--- a/src/bindings/ruby/lib/hammer/internal.rb
+++ b/src/bindings/ruby/lib/hammer/internal.rb
@@ -4,7 +4,7 @@ module Hammer
   module Internal
     extend FFI::Library
 
-    ffi_lib 'libhammer.dylib'
+    ffi_lib 'hammer'
 
     # Maybe we can implement Hammer::Parser with FFI::DataConverter.
     # That way, most hammer functions won't need to be wrapped.