diff --git a/src/xenia/gpu/vulkan/vulkan_command_processor.cc b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
index 684abaf56..d65f7276c 100644
--- a/src/xenia/gpu/vulkan/vulkan_command_processor.cc
+++ b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
@@ -4712,8 +4712,9 @@ void VulkanCommandProcessor::UpdateDynamicState(
           stencil_ref_mask_back_reg = XE_GPU_REG_RB_STENCILREFMASK_BF;
         } else {
           // Choose the back face values only if drawing only back faces.
+          auto pa_su_sc_mode_cntl = regs.Get<reg::PA_SU_SC_MODE_CNTL>();
           stencil_ref_mask_front_reg =
-              regs.Get<reg::PA_SU_SC_MODE_CNTL>().cull_front
+              (pa_su_sc_mode_cntl.cull_front && !pa_su_sc_mode_cntl.cull_back)
                   ? XE_GPU_REG_RB_STENCILREFMASK_BF
                   : XE_GPU_REG_RB_STENCILREFMASK;
           stencil_ref_mask_back_reg = stencil_ref_mask_front_reg;