diff --git a/contrib/intarray/_int_gist.c b/contrib/intarray/_int_gist.c
index 2c82b86dd1..98145fe370 100644
--- a/contrib/intarray/_int_gist.c
+++ b/contrib/intarray/_int_gist.c
@@ -182,7 +182,8 @@ g_int_compress(PG_FUNCTION_ARGS)
if (ARRNELEMS(r) >= 2 * num_ranges)
ereport(ERROR,
- (errmsg("input array is too big (%d maximum allowed, %d current), use gist__intbig_ops opclass instead",
+ (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));
@@ -271,7 +272,8 @@ g_int_compress(PG_FUNCTION_ARGS)
lenr = internal_size(dr, len);
if (lenr < 0 || lenr > MAXNUMELTS)
ereport(ERROR,
- (errmsg("data is too sparse, recreate index using gist__intbig_ops opclass instead")));
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("data is too sparse, recreate index using gist__intbig_ops opclass instead")));
r = resize_intArrayType(r, len);
retval = palloc(sizeof(GISTENTRY));
@@ -333,7 +335,8 @@ g_int_decompress(PG_FUNCTION_ARGS)
lenr = internal_size(din, lenin);
if (lenr < 0 || lenr > MAXNUMELTS)
ereport(ERROR,
- (errmsg("compressed array is too big, recreate index using gist__intbig_ops opclass instead")));
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("compressed array is too big, recreate index using gist__intbig_ops opclass instead")));
r = new_intArrayType(lenr);
dr = ARRPTR(r);