diff --git a/drivers/d3d12/rendering_device_driver_d3d12.cpp b/drivers/d3d12/rendering_device_driver_d3d12.cpp
index 9f3897e33b3..06abc31c55a 100644
--- a/drivers/d3d12/rendering_device_driver_d3d12.cpp
+++ b/drivers/d3d12/rendering_device_driver_d3d12.cpp
@@ -3055,7 +3055,7 @@ D3D12_UNORDERED_ACCESS_VIEW_DESC RenderingDeviceDriverD3D12::_make_ranged_uav_fo
 		} break;
 		case D3D12_UAV_DIMENSION_TEXTURE3D: {
 			uav_desc.Texture3D.MipSlice = mip;
-			uav_desc.Texture3D.WSize >>= p_mipmap_offset;
+			uav_desc.Texture3D.WSize = MAX(uav_desc.Texture3D.WSize >> p_mipmap_offset, 1U);
 		} break;
 		default:
 			break;