diff --git a/pywafo/src/wafo/source/mvn/build_all.py b/pywafo/src/wafo/source/mvn/build_all.py
new file mode 100644
index 0000000..a5b06aa
--- /dev/null
+++ b/pywafo/src/wafo/source/mvn/build_all.py
@@ -0,0 +1,11 @@
+"""
+builds mvn.pyd
+"""
+import os
+
+def compile_all():
+    #os.system('f2py.py mvn.pyf mvndst.f -c --fcompiler=gnu95 --compiler=mingw32 -lmsvcr71 ')
+    os.system('f2py.py mvn.pyf mvndst.f -c ')
+    
+if __name__=='__main__':
+    compile_all()
diff --git a/pywafo/src/wafo/source/mvn/mvn.pyd b/pywafo/src/wafo/source/mvn/mvn.pyd
new file mode 100644
index 0000000..2d0a064
Binary files /dev/null and b/pywafo/src/wafo/source/mvn/mvn.pyd differ
diff --git a/pywafo/src/wafo/mvn.pyf b/pywafo/src/wafo/source/mvn/mvn.pyf
similarity index 100%
rename from pywafo/src/wafo/mvn.pyf
rename to pywafo/src/wafo/source/mvn/mvn.pyf
diff --git a/pywafo/src/wafo/mvndst.f b/pywafo/src/wafo/source/mvn/mvndst.f
similarity index 100%
rename from pywafo/src/wafo/mvndst.f
rename to pywafo/src/wafo/source/mvn/mvndst.f