diff --git a/vllm/model_executor/layers/linear.py b/vllm/model_executor/layers/linear.py
index 024a39523f48a..d070478afd6d0 100644
--- a/vllm/model_executor/layers/linear.py
+++ b/vllm/model_executor/layers/linear.py
@@ -67,7 +67,7 @@ def apply_weights(self,
                       bias: Optional[torch.Tensor] = None) -> torch.Tensor:
         weight = weights["weight"]
         #if self.separate_bias_add:
-        if bias:
+        if bias != None :
             return tgemm.mm(x, weight) + bias
         return tgemm.mm(x, weight)
         #return F.linear(x, weight, bias)