diff --git a/userspace/libsinsp/parsers.cpp b/userspace/libsinsp/parsers.cpp
index 0681047f67..c4fd722984 100644
--- a/userspace/libsinsp/parsers.cpp
+++ b/userspace/libsinsp/parsers.cpp
@@ -715,8 +715,11 @@ bool sinsp_parser::reset(sinsp_evt *evt)
 			//
 			int fd_location = get_fd_location(etype);
 			ASSERT(evt->get_param_info(fd_location)->type == PT_FD);
-			evt->get_tinfo()->m_lastevent_fd = evt->get_param(fd_location)->as<int64_t>();
-			evt->set_fd_info(evt->get_tinfo()->get_fd(evt->get_tinfo()->m_lastevent_fd));
+			if ((etype != PPME_SOCKET_SENDMMSG_E && etype != PPME_SOCKET_RECVMMSG_E) || evt->get_num_params() != 0)
+			{
+				evt->get_tinfo()->m_lastevent_fd = evt->get_param(fd_location)->as<int64_t>();
+				evt->set_fd_info(evt->get_tinfo()->get_fd(evt->get_tinfo()->m_lastevent_fd));
+			}
 		}
 
 		evt->get_tinfo()->m_latency = 0;
@@ -4080,6 +4083,12 @@ void sinsp_parser::parse_rw_exit(sinsp_evt *evt)
 	int64_t tid = evt->get_tid();
 	sinsp_evt *enter_evt = &m_tmp_evt;
 	ppm_event_flags eflags = evt->get_info_flags();
+	uint16_t etype = evt->get_scap_evt()->type;
+
+	if ((etype == PPME_SOCKET_SENDMMSG_X || etype == PPME_SOCKET_RECVMMSG_X) && evt->get_num_params() == 0)
+	{
+		return;
+	}
 
 	//
 	// Extract the return value