diff --git a/util/util.gyp b/util/util.gyp
index 43b6e32b..2f0f6e88 100644
--- a/util/util.gyp
+++ b/util/util.gyp
@@ -199,6 +199,7 @@
         'posix/signals.h',
         'posix/symbolic_constants_posix.cc',
         'posix/symbolic_constants_posix.h',
+        'process/process_memory.cc',
         'process/process_memory.h',
         'process/process_memory_linux.cc',
         'process/process_memory_linux.h',