diff --git a/example/ck_tile/18_flatmm/mixed_prec/a16w4_moe_flatmm.hpp b/example/ck_tile/18_flatmm/mixed_prec/a16w4_moe_flatmm.hpp
index 458e7ba643..7e482989d4 100644
--- a/example/ck_tile/18_flatmm/mixed_prec/a16w4_moe_flatmm.hpp
+++ b/example/ck_tile/18_flatmm/mixed_prec/a16w4_moe_flatmm.hpp
@@ -13,7 +13,11 @@
 // GEMM config with 16x16 warp tile
 struct A16W4_FlatmmConfig16
 {
-    static constexpr ck_tile::index_t M_Tile = 128;
+#if defined(__gfx950__)
+    static constexpr ck_tile::index_t M_Tile = 256;
+#else
+    static constexpr ck_tile::index_t M_Tile = 64;
+#endif
     static constexpr ck_tile::index_t N_Tile = 256;
     static constexpr ck_tile::index_t K_Tile = 256;