diff --git a/comfy/text_encoders/qwen35.py b/comfy/text_encoders/qwen35.py
index 416ce9d18..196a5a3ec 100644
--- a/comfy/text_encoders/qwen35.py
+++ b/comfy/text_encoders/qwen35.py
@@ -452,6 +452,14 @@ class Qwen35VisionPatchEmbed(nn.Module):
 
     def forward(self, x):
         x = x.view(-1, self.in_channels, self.temporal_patch_size, self.patch_size, self.patch_size)
+        if (
+            comfy.model_management.is_amd()
+            and x.is_cuda
+            and x.dtype in (torch.float16, torch.bfloat16)
+        ):
+            # This Conv3d is a full-patch projection, equivalent to Linear.
+            # Avoid the ROCm/MIOpen reduced-precision Conv3d kernel that can segfault.
+            return F.linear(x.flatten(1), self.proj.weight.flatten(1), self.proj.bias)
         return self.proj(x).view(-1, self.embed_dim)