diff --git a/gtests/der_gtest/der_gtest.gyp b/gtests/der_gtest/der_gtest.gyp
index 1851a706ed..95e14e4449 100644
--- a/gtests/der_gtest/der_gtest.gyp
+++ b/gtests/der_gtest/der_gtest.gyp
@@ -12,6 +12,7 @@
       'type': 'executable',
       'sources': [
         'der_getint_unittest.cc',
+        'der_private_key_import_unittest.cc',
         '<(DEPTH)/gtests/common/gtests.cc'
       ],
       'dependencies': [