1 files changed, 5 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/moz.build b/xpcom/tests/gtest/moz.build
index 53836eaef..ac98c2217 100644
--- a/xpcom/tests/gtest/moz.build
+++ b/xpcom/tests/gtest/moz.build
@@ -56,6 +56,11 @@ if CONFIG['MOZ_DEBUG'] and CONFIG['OS_ARCH'] not in ('WINNT') and CONFIG['OS_TAR
         'TestDeadlockDetectorScalability.cpp',
     ]
 
+if CONFIG['OS_TARGET'] == 'WINNT':
+    UNIFIED_SOURCES += [
+        'TestFilePreferencesWin.cpp',
+    ]
+
 if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
     UNIFIED_SOURCES += [
         'TestSTLWrappers.cpp',