diff --git a/libs/sofia-sip/libsofia-sip-ua/tport/ws.c b/libs/sofia-sip/libsofia-sip-ua/tport/ws.c
index 774c694625..28d549d75a 100644
--- a/libs/sofia-sip/libsofia-sip-ua/tport/ws.c
+++ b/libs/sofia-sip/libsofia-sip-ua/tport/ws.c
@@ -477,7 +477,7 @@ ssize_t ws_raw_write(wsh_t *wsh, void *data, size_t bytes)
 		}
 
 		if (r == -1) {
-			if (!ks_errno_is_blocking(ks_errno())) {
+			if (!xp_is_blocking(xp_errno())) {
 				break;
 			}
 		}
diff --git a/src/mod/endpoints/mod_verto/ws.c b/src/mod/endpoints/mod_verto/ws.c
index 774c694625..28d549d75a 100644
--- a/src/mod/endpoints/mod_verto/ws.c
+++ b/src/mod/endpoints/mod_verto/ws.c
@@ -477,7 +477,7 @@ ssize_t ws_raw_write(wsh_t *wsh, void *data, size_t bytes)
 		}
 
 		if (r == -1) {
-			if (!ks_errno_is_blocking(ks_errno())) {
+			if (!xp_is_blocking(xp_errno())) {
 				break;
 			}
 		}