diff --git a/tests/integration/defs/accuracy/test_llm_api_pytorch.py b/tests/integration/defs/accuracy/test_llm_api_pytorch.py
index a56816ea4832..13ceaecceba4 100644
--- a/tests/integration/defs/accuracy/test_llm_api_pytorch.py
+++ b/tests/integration/defs/accuracy/test_llm_api_pytorch.py
@@ -6253,7 +6253,14 @@ def test_fp8(self, enable_block_reuse, mocker):
 
         kv_cache_config = KvCacheConfig(free_gpu_memory_fraction=0.8,
                                         enable_block_reuse=enable_block_reuse)
-        moe_config = MoeConfig(backend='DEEPGEMM')
+        # DeepGEMM MoE kernels only support datacenter Blackwell (SM100/SM103).
+        # Fall back to the CUTLASS MoE backend (which supports FP8 block scales)
+        # on other architectures such as Hopper (SM90) and consumer Blackwell
+        # (SM120/SM121); otherwise the unsupported kernel trips a scale-factor
+        # dtype assertion at warmup.
+        moe_backend = "DEEPGEMM" if get_sm_version() in (100,
+                                                         103) else "CUTLASS"
+        moe_config = MoeConfig(backend=moe_backend)
         cuda_graph_config = CudaGraphConfig(enable_padding=True,
                                             max_batch_size=128)
         with LLM(model_dir,
diff --git a/tests/integration/test_lists/waives.txt b/tests/integration/test_lists/waives.txt
index 9237ef23835d..b998772df193 100644
--- a/tests/integration/test_lists/waives.txt
+++ b/tests/integration/test_lists/waives.txt
@@ -130,7 +130,6 @@ accuracy/test_llm_api_pytorch.py::TestQwen3_235B_A22B::test_fp8[throughput_laten
 accuracy/test_llm_api_pytorch.py::TestQwen3_30B_A3B_Instruct_2507::test_skip_softmax_attention_4gpus[target_sparsity_0.5-fp8kv=False] SKIP (https://nvbugs/6260915)
 accuracy/test_llm_api_pytorch.py::TestQwen3_30B_A3B_Instruct_2507::test_skip_softmax_attention_4gpus[target_sparsity_0.5-fp8kv=True] SKIP (https://nvbugs/6248783)
 accuracy/test_llm_api_pytorch.py::TestQwen3_30B_A3B_Instruct_2507::test_skip_softmax_attention_4gpus[target_sparsity_0.9-fp8kv=False] SKIP (https://nvbugs/6260915)
-accuracy/test_llm_api_pytorch.py::TestQwen3_5_35B_A3B::test_fp8[enable_block_reuse=False] SKIP (https://nvbugs/6212252)
 accuracy/test_llm_api_pytorch.py::TestQwen3_5_397B_A17B::test_nvfp4[tep4_cutedsl] SKIP (https://nvbugs/6255417)
 accuracy/test_llm_api_pytorch.py::TestQwen3_5_9B::test_bf16[mtp_off] SKIP (https://nvbugs/6212250)
 accuracy/test_llm_api_pytorch.py::TestQwen3_5_9B::test_bf16[mtp_on] SKIP (https://nvbugs/6212250)