diff --git a/src/microsoft/vulkan/dzn_pipeline.c b/src/microsoft/vulkan/dzn_pipeline.c
index a56f58b5dfb..03388d1d5c3 100644
--- a/src/microsoft/vulkan/dzn_pipeline.c
+++ b/src/microsoft/vulkan/dzn_pipeline.c
@@ -1474,7 +1474,6 @@ dzn_graphics_pipeline_translate_blend(struct dzn_graphics_pipeline *pipeline,
 
       desc->RenderTarget[i].BlendEnable =
          in_blend->pAttachments[i].blendEnable;
-         in_blend->logicOpEnable;
       desc->RenderTarget[i].RenderTargetWriteMask =
          in_blend->pAttachments[i].colorWriteMask;
 
diff --git a/src/microsoft/vulkan/meson.build b/src/microsoft/vulkan/meson.build
index 21d62134c7a..ec4b52ff137 100644
--- a/src/microsoft/vulkan/meson.build
+++ b/src/microsoft/vulkan/meson.build
@@ -65,6 +65,7 @@ if cc.get_argument_syntax() != 'msvc'
   dzn_flags += [
     '-Werror=unused-variable',
     '-Werror=unused-but-set-variable',
+    '-Werror=unused-value',
   ]
 endif