diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index 82061247..90575a52 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -2042,6 +2042,8 @@ do_autovacuum(void)
 		bool		wraparound;
 		AutoVacuumScores scores;
 
+		CHECK_FOR_INTERRUPTS();
+
 		if (classForm->relkind != RELKIND_RELATION &&
 			classForm->relkind != RELKIND_MATVIEW)
 			continue;
@@ -2146,6 +2148,8 @@ do_autovacuum(void)
 		bool		wraparound;
 		AutoVacuumScores scores;
 
+		CHECK_FOR_INTERRUPTS();
+
 		/*
 		 * We cannot safely process other backends' temp tables, so skip 'em.
 		 */