diff --git a/src/tests/sqlsmith/src/sql_gen/types.rs b/src/tests/sqlsmith/src/sql_gen/types.rs
index f591a7c951759..2f12f96790f3d 100644
--- a/src/tests/sqlsmith/src/sql_gen/types.rs
+++ b/src/tests/sqlsmith/src/sql_gen/types.rs
@@ -185,6 +185,7 @@ pub(crate) static AGG_FUNC_TABLE: LazyLock<HashMap<DataType, Vec<&'static FuncSi
                         PbAggKind::PercentileCont,
                         PbAggKind::PercentileDisc,
                         PbAggKind::Mode,
+                        PbAggKind::ApproxPercentile, // ENABLE: https://github.com/risingwavelabs/risingwave/issues/16293
                         PbAggKind::JsonbObjectAgg, // ENABLE: https://github.com/risingwavelabs/risingwave/issues/16293
                         PbAggKind::StddevSamp, // ENABLE: https://github.com/risingwavelabs/risingwave/issues/16293
                         PbAggKind::VarSamp, // ENABLE: https://github.com/risingwavelabs/risingwave/issues/16293