diff --git a/src/inline/bitstream.c b/src/inline/bitstream.c
index 9df6f1b8f..e4e6f48eb 100644
--- a/src/inline/bitstream.c
+++ b/src/inline/bitstream.c
@@ -182,7 +182,7 @@ stream_capacity(const bitstream* s)
 
 /* number of words per block */
 inline_ size_t
-stream_stride_block(const bitstream* stream)
+stream_stride_block(const bitstream* s)
 {
 #ifdef BIT_STREAM_STRIDED
   return s->mask + 1;