diff --git a/src/backend/tcop/fastpath.c b/src/backend/tcop/fastpath.c
index 3f769d9a9ad..c0ac339eaba 100644
--- a/src/backend/tcop/fastpath.c
+++ b/src/backend/tcop/fastpath.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/tcop/fastpath.c,v 1.87 2006/06/11 15:49:28 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/tcop/fastpath.c,v 1.88 2006/06/14 01:24:14 tgl Exp $
  *
  * NOTES
  *	  This cruft is the server side of PQfn.
@@ -382,6 +382,9 @@ HandleFunctionRequest(StringInfo msgBuf)
 		retval = (Datum) 0;
 	}
 
+	/* ensure we do at least one CHECK_FOR_INTERRUPTS per function call */
+	CHECK_FOR_INTERRUPTS();
+
 	SendFunctionResult(retval, fcinfo.isnull, fip->rettype, rformat);
 
 	return 0;