diff --git a/src/msafd.c b/src/msafd.c
new file mode 100644
index 0000000..8d1c8b6
--- /dev/null
+++ b/src/msafd.c
@@ -0,0 +1 @@
+ 
diff --git a/wpoll.gyp b/wpoll.gyp
index 0a4b554..5ff9a81 100644
--- a/wpoll.gyp
+++ b/wpoll.gyp
@@ -21,6 +21,7 @@
         'src/msafd.h',
         'src/tree.h',
         'src/wpoll.c',
+        'src/msafd.c'
       ]
     },