diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index 609c3a7fc42..a51f8a9c2c7 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -1381,6 +1381,10 @@ generate_series_step_int4(PG_FUNCTION_ARGS)
 		/* increment current in preparation for next iteration */
 		fctx->current += fctx->step;
 
+		/* if next-value computation overflows, this is the final result */
+		if (SAMESIGN(result, fctx->step) && !SAMESIGN(result, fctx->current))
+			fctx->step = 0;
+
 		/* do when there is more left to send */
 		SRF_RETURN_NEXT(funcctx, Int32GetDatum(result));
 	}
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c
index cde9313fdf9..de9b29893ba 100644
--- a/src/backend/utils/adt/int8.c
+++ b/src/backend/utils/adt/int8.c
@@ -1412,6 +1412,10 @@ generate_series_step_int8(PG_FUNCTION_ARGS)
 		/* increment current in preparation for next iteration */
 		fctx->current += fctx->step;
 
+		/* if next-value computation overflows, this is the final result */
+		if (SAMESIGN(result, fctx->step) && !SAMESIGN(result, fctx->current))
+			fctx->step = 0;
+
 		/* do when there is more left to send */
 		SRF_RETURN_NEXT(funcctx, Int64GetDatum(result));
 	}