diff --git a/vllm/patches/deepseek_v4.py b/vllm/patches/deepseek_v4.py
index 1854f922..8e2f187b 100644
--- a/vllm/patches/deepseek_v4.py
+++ b/vllm/patches/deepseek_v4.py
@@ -1283,6 +1283,7 @@ class DeepseekV4Model(nn.Module):
             ".self_attn.compressor.kv_proj.": ".attn.mla_attn.compressor.wkv.",
             ".self_attn.compressor.gate_proj.": ".attn.mla_attn.compressor.gate.",
             ".self_attn.compressor.kv_norm.": ".attn.kv_norm.",
+            ".self_attn.compressor.position_bias": ".attn.mla_attn.compressor.ape",
             ".self_attn.compressor.": ".attn.mla_attn.compressor.",
             # Shared expert projections (stacking into gate_up_proj)
             # Must include .mlp. prefix since break prevents .mlp.→.ffn. from
@@ -1290,9 +1291,15 @@ class DeepseekV4Model(nn.Module):
             ".mlp.shared_experts.gate_proj.": ".ffn.shared_experts.w1.",
             ".mlp.shared_experts.up_proj.": ".ffn.shared_experts.w3.",
             ".mlp.shared_experts.down_proj.": ".ffn.shared_experts.down_proj.",
-            # Hadamard coding params
-            ".attn_hc.": ".hc_attn.",
-            ".ffn_hc.": ".hc_ffn.",
+            # Hadamard coding params: checkpoint has .attn_hc.base/fn/scale
+            # and .ffn_hc.base/fn/scale; model has hc_attn_base/fn/scale
+            # and hc_ffn_base/fn/scale (underscore not dot before base/fn/scale)
+            ".attn_hc.base": "hc_attn_base",
+            ".attn_hc.fn": "hc_attn_fn",
+            ".attn_hc.scale": "hc_attn_scale",
+            ".ffn_hc.base": "hc_ffn_base",
+            ".ffn_hc.fn": "hc_ffn_fn",
+            ".ffn_hc.scale": "hc_ffn_scale",
             "hc_head.hc_base": "hc_head_base",
             "hc_head.hc_fn": "hc_head_fn",
             "hc_head.hc_scale": "hc_head_scale",