diff --git a/llvm/utils/gn/secondary/llvm/test/BUILD.gn b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
index 45bcf5e50927..b17fe80ae6a2 100644
--- a/llvm/utils/gn/secondary/llvm/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
@@ -94,6 +94,12 @@ write_lit_config("lit_site_cfg") {
     extra_values += [ "EXEEXT=" ]
   }
 
+  if (host_os == "win") {
+    extra_values += [ "LLVM_ENABLE_PLUGINS=0" ]
+  } else {
+    extra_values += [ "LLVM_ENABLE_PLUGINS=1" ]
+  }
+
   if (host_os == "mac") {
     extra_values += [ "SHLIBEXT=.dylib" ]
   } else if (host_os == "win") {