diff --git a/include/proto/compression.h b/include/proto/compression.h
index e5ae8b6..5c7c8cb 100644
--- a/include/proto/compression.h
+++ b/include/proto/compression.h
@@ -31,9 +31,9 @@
 int comp_append_algo(struct comp *comp, const char *algo);
 
 int http_emit_chunk_size(char *end, unsigned int chksz);
-int http_compression_buffer_init(struct session *s, struct buffer *in, struct buffer *out);
-int http_compression_buffer_add_data(struct session *s, struct buffer *in, struct buffer *out);
-int http_compression_buffer_end(struct session *s, struct buffer **in, struct buffer **out, int end);
+int http_compression_buffer_init(struct stream *s, struct buffer *in, struct buffer *out);
+int http_compression_buffer_add_data(struct stream *s, struct buffer *in, struct buffer *out);
+int http_compression_buffer_end(struct stream *s, struct buffer **in, struct buffer **out, int end);
 
 #ifdef USE_ZLIB
 extern long zlib_used_memory;