diff --git a/test.sh b/test.sh
index 2e463ec..815e358 100755
--- a/test.sh
+++ b/test.sh
@@ -2,7 +2,7 @@
 
 glslc -fshader-stage=comp --target-env=vulkan1.2 convert.comp.glsl -oconvert.comp.spv
 
-ldc2 vulkan.d vulkan_funcs.d vulkan_logging.d vulkan_util.d -L-lvulkan --unittest -J./ -verrors=30
+ldc2 vulkan.d vulkan_funcs.d vulkan_logging.d vulkan_util.d -d-version=VULKAN_RENDERER_TEST -L-lvulkan --unittest -J./ -verrors=30
 
 rm convert.comp.spv
 rm vulkan.o
diff --git a/vulkan.d b/vulkan.d
index 892ddc5..5c03964 100644
--- a/vulkan.d
+++ b/vulkan.d
@@ -3217,7 +3217,7 @@ Init(PlatformHandles platform_handles, u64 permanent_mem, u64 frame_mem)
   return vk;
 }
 
-unittest
+version(VULKAN_RENDERER_TEST) unittest
 {
   PlatformHandles handles;
   Vulkan vk = Init(handles, 10*1000*1000, 10*1000*1000);