diff --git a/src/http_ana.c b/src/http_ana.c
index b557da8..9f3dab8 100644
--- a/src/http_ana.c
+++ b/src/http_ana.c
@@ -1407,7 +1407,7 @@
 				return 0;
 			}
 
-			if (txn->flags & TX_NOT_FIRST)
+			if (s->flags & SF_SRV_REUSED)
 				goto abort_keep_alive;
 
 			_HA_ATOMIC_INC(&s->be->be_counters.failed_resp);
@@ -1500,7 +1500,7 @@
 				}
 			}
 
-			if (txn->flags & TX_NOT_FIRST)
+			if (s->flags & SF_SRV_REUSED)
 				goto abort_keep_alive;
 
 			_HA_ATOMIC_INC(&s->be->be_counters.failed_resp);
@@ -1525,7 +1525,7 @@
 
 		/* 5: write error to client (we don't send any message then) */
 		else if (rep->flags & CF_WRITE_ERROR) {
-			if (txn->flags & TX_NOT_FIRST)
+			if (s->flags & SF_SRV_REUSED)
 				goto abort_keep_alive;
 
 			_HA_ATOMIC_INC(&s->be->be_counters.failed_resp);