diff --git a/src/bufferutil.cc b/src/bufferutil.cc
index 3d73a4abc..8d3148666 100644
--- a/src/bufferutil.cc
+++ b/src/bufferutil.cc
@@ -6,6 +6,7 @@
 
 #include <v8.h>
 #include <node.h>
+#include <node_version.h>
 #include <node_buffer.h>
 #include <node_object_wrap.h>
 #include <stdlib.h>
@@ -107,6 +108,9 @@ class BufferUtil : public ObjectWrap
   }
 };
 
+#if !NODE_VERSION_AT_LEAST(0,10,0)
+extern "C"
+#endif
 void init (Handle<Object> target)
 {
   NanScope();
diff --git a/src/validation.cc b/src/validation.cc
index 62a6e6599..6e48cf2f7 100644
--- a/src/validation.cc
+++ b/src/validation.cc
@@ -6,6 +6,7 @@
 
 #include <v8.h>
 #include <node.h>
+#include <node_version.h>
 #include <node_buffer.h>
 #include <node_object_wrap.h>
 #include <stdlib.h>
@@ -134,7 +135,9 @@ class Validation : public ObjectWrap
     NanReturnValue(is_valid_utf8(buffer_length, buffer_data) == 1 ? NanTrue() : NanFalse());
   }
 };
-
+#if !NODE_VERSION_AT_LEAST(0,10,0)
+extern "C"
+#endif
 void init (Handle<Object> target)
 {
   NanScope();