diff --git a/libtransmission/natpmp.c b/libtransmission/natpmp.c
index 422fd5d2b..b1e45b943 100644
--- a/libtransmission/natpmp.c
+++ b/libtransmission/natpmp.c
@@ -182,8 +182,8 @@ tr_natpmpStop( tr_natpmp_t * pmp )
                 tr_dbg( "nat-pmp state add -> idle" );
                 if( NULL != pmp->req )
                 {
-                    killreq( &pmp->req );
                     pmp->mappedport = pmp->req->port;
+                    killreq( &pmp->req );
                     pmp->state = PMP_STATE_DELETING;
                     tr_dbg( "nat-pmp state idle -> del" );
                 }