diff --git a/contrib/intarray/_int_gist.c b/contrib/intarray/_int_gist.c
index 7a48ce624d..79c81127f6 100644
--- a/contrib/intarray/_int_gist.c
+++ b/contrib/intarray/_int_gist.c
@@ -181,8 +181,10 @@ g_int_compress(PG_FUNCTION_ARGS)
 		PREPAREARR(r);
 
 		if (ARRNELEMS(r) >= 2 * num_ranges)
-			elog(NOTICE, "input array is too big (%d maximum allowed, %d current), use gist__intbig_ops opclass instead",
-				 2 * num_ranges - 1, ARRNELEMS(r));
+			ereport(ERROR,
+				(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+				 errmsg("input array is too big (%d maximum allowed, %d current), use gist__intbig_ops opclass instead",
+				 2 * num_ranges - 1, ARRNELEMS(r))));
 
 		retval = palloc(sizeof(GISTENTRY));
 		gistentryinit(*retval, PointerGetDatum(r),