diff --git a/src/backend/commands/subscriptioncmds.c b/src/backend/commands/subscriptioncmds.c
index 523959ba0ce..fd026b304c2 100644
--- a/src/backend/commands/subscriptioncmds.c
+++ b/src/backend/commands/subscriptioncmds.c
@@ -1748,9 +1748,11 @@ AlterSubscription(ParseState *pstate, AlterSubscriptionStmt *stmt,
 					/*
 					 * Check if changes from different origins may be received
 					 * from the publisher when the origin is changed to ANY
-					 * and retain_dead_tuples is enabled.
+					 * and retain_dead_tuples is enabled. Use |= so that we
+					 * don't clear the flag already set when
+					 * retain_dead_tuples was changed in the same command.
 					 */
-					check_pub_rdt = retain_dead_tuples &&
+					check_pub_rdt |= retain_dead_tuples &&
 						pg_strcasecmp(opts.origin, LOGICALREP_ORIGIN_ANY) == 0;
 
 					origin = opts.origin;