diff --git a/reactos/lib/rosrtl/recmutex/.cvsignore b/reactos/lib/rosrtl/recmutex/.cvsignore
new file mode 100644
index 00000000000..b2bf6455490
--- /dev/null
+++ b/reactos/lib/rosrtl/recmutex/.cvsignore
@@ -0,0 +1,2 @@
+*.o
+.*.d
\ No newline at end of file