diff --git a/include/proto/proto_http.h b/include/proto/proto_http.h
index 1d21033..2e2163e 100644
--- a/include/proto/proto_http.h
+++ b/include/proto/proto_http.h
@@ -27,6 +27,7 @@
 #include <types/stream.h>
 #include <types/task.h>
 #include <proto/channel.h>
+#include <proto/stream.h>
 
 #define IS_HTX_STRM(strm) (strm_fe(strm)->options2 & PR_O2_USE_HTX)
 #define IS_HTX_SMP(smp)   ((smp)->strm && IS_HTX_STRM((smp)->strm))