diff --git a/src/numpy/numpy.cpp b/src/numpy/numpy.cpp
index 8e259bc7..3ae2295e 100644
--- a/src/numpy/numpy.cpp
+++ b/src/numpy/numpy.cpp
@@ -19,6 +19,7 @@ static void wrap_import_array()
 static void * wrap_import_array()
 {
   import_array();
+  return NULL;
 }
 #endif