diff --git a/libflac-ffi.rkt b/libflac-ffi.rkt
index b78cb88..66207a6 100644
--- a/libflac-ffi.rkt
+++ b/libflac-ffi.rkt
@@ -413,7 +413,7 @@
 (define-libflac FLAC__stream_decoder_delete
   (_fun _FLAC__StreamDecoder-pointer -> _void))
 
-(define-libflac FLAC_stream_decoder_finish
+(define-libflac FLAC__stream_decoder_finish
   (_fun _FLAC__StreamDecoder-pointer -> _int))
 
 (define-libflac FLAC__stream_decoder_get_state