1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index eb9b0f8c..1ebad30a 100755
--- a/setup.py
+++ b/setup.py
@@ -142,6 +142,7 @@ if WINDOWS:
         'psutil._psutil_windows',
         sources=sources + [
             'psutil/_psutil_windows.c',
+            'psutil/arch/windows/process_utils.c',
             'psutil/arch/windows/process_info.c',
             'psutil/arch/windows/process_handles.c',
             'psutil/arch/windows/security.c',