diff --git a/contrib/amcheck/verify_heapam.c b/contrib/amcheck/verify_heapam.c
index 226271923a8..173f99d7870 100644
--- a/contrib/amcheck/verify_heapam.c
+++ b/contrib/amcheck/verify_heapam.c
@@ -395,6 +395,8 @@ verify_heapam(PG_FUNCTION_ARGS)
 	{
 		OffsetNumber maxoff;
 
+		CHECK_FOR_INTERRUPTS();
+
 		/* Optionally skip over all-frozen or all-visible blocks */
 		if (skip_option != SKIP_PAGES_NONE)
 		{