diff --git a/include/haproxy/mux_h1-t.h b/include/haproxy/mux_h1-t.h
index 18e0c0f42..8cbb95ecd 100644
--- a/include/haproxy/mux_h1-t.h
+++ b/include/haproxy/mux_h1-t.h
@@ -105,7 +105,7 @@ static forceinline char *h1c_show_flags(char *buf, size_t len, const char *delim
 #define H1S_F_NOT_IMPL_ERROR 0x00000400 /* Set when a feature is not implemented during the message parsing */
 #define H1S_F_PARSING_ERROR  0x00000800 /* Set when an error occurred during the message parsing */
 #define H1S_F_PROCESSING_ERROR 0x00001000 /* Set when an error occurred during the message xfer */
-#define H1S_F_ERROR          0x00001800 /* stream error mask */
+#define H1S_F_ERROR_MASK     0x00001800 /* stream error mask */
 
 #define H1S_F_HAVE_SRV_NAME  0x00002000 /* Set during output process if the server name header was added to the request */
 #define H1S_F_HAVE_O_CONN    0x00004000 /* Set during output process to know connection mode was processed */
diff --git a/src/mux_h1.c b/src/mux_h1.c
index 27d915c74..ac415fa38 100644
--- a/src/mux_h1.c
+++ b/src/mux_h1.c
@@ -439,7 +439,7 @@ static inline int h1_recv_allowed(const struct h1c *h1c)
 		return 0;
 	}
 
-	if (h1c->h1s && (h1c->h1s->flags & H1S_F_ERROR)) {
+	if (h1c->h1s && (h1c->h1s->flags & H1S_F_ERROR_MASK)) {
 		TRACE_DEVEL("recv not allowed because of error on h1s", H1_EV_H1C_RECV|H1_EV_H1C_BLK, h1c->conn);
 		return 0;
 	}
@@ -836,7 +836,7 @@ static void h1s_destroy(struct h1s *h1s)
 				H1C_F_ST_EMBRYONIC|H1C_F_ST_ATTACHED|H1C_F_ST_READY|
 				H1C_F_OUT_FULL|H1C_F_OUT_ALLOC|H1C_F_IN_SALLOC|
 				H1C_F_CO_MSG_MORE|H1C_F_CO_STREAMER);
-		if (h1s->flags & H1S_F_ERROR) {
+		if (h1s->flags & H1S_F_ERROR_MASK) {
 			h1c->flags |= H1C_F_ST_ERROR;
 			TRACE_ERROR("h1s on error, set error on h1c", H1_EV_H1S_END|H1_EV_H1C_ERR, h1c->conn, h1s);
 		}