1 files changed, 2 insertions, 2 deletions

diff --git a/mask.h b/mask.h
index 6d4790a3..cf0c893f 100644
--- a/mask.h
+++ b/mask.h
@@ -1,11 +1,11 @@
 #ifndef _MASK_H
 #define _MASK_H
 
+#include "error.h"
+
 #include <string>
 #include <exception>
 
-#include "error.h"
-
 class mask_t
 {
  public: