diff --git a/src/rendering/hwrenderer/postprocessing/hw_postprocess.cpp b/src/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
index 20244c9018..9210899ad2 100644
--- a/src/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
+++ b/src/rendering/hwrenderer/postprocessing/hw_postprocess.cpp
@@ -389,7 +389,7 @@ FString PPFXAA::GetDefines()
 	}
 
 	const int gatherAlpha = GetMaxVersion() >= 400 ? 1 : 0;
-	const int discard = screen->IsVulkan() ? 0 : 1;
+	const int discard = (screen->IsVulkan() && strstr(screen->vendorstring, "AMD") != nullptr) ? 0 : 1;
 
 	// TODO: enable FXAA_GATHER4_ALPHA on OpenGL earlier than 4.0
 	// when GL_ARB_gpu_shader5/GL_NV_gpu_shader5 extensions are supported