1 files changed, 7 insertions, 5 deletions
diff --git a/fluid/proj/undo.h b/fluid/proj/undo.h
index 7bb02b72f..de038908a 100644
--- a/fluid/proj/undo.h
+++ b/fluid/proj/undo.h
@@ -27,14 +27,16 @@ class Project;
 
 namespace proj {
 
+enum {
+  FLD_UNDO_ONCETYPE_ALWAYS = 0,
+  FLD_UNDO_ONCETYPE_WINDOW_RESIZE
+};
+
 class Undo
 {
 public:
 
-  enum class OnceType {
-    ALWAYS = 0,
-    WINDOW_RESIZE
-  };
+  typedef int OnceType;
 
   /// Link Undo class to this project.
   Project &proj_;
@@ -53,7 +55,7 @@ public:
   // length w/o filename
   unsigned int path_len_ = 0;
   /// Suspend further undos of the same type
-  OnceType once_type_ = OnceType::ALWAYS;
+  OnceType once_type_ = FLD_UNDO_ONCETYPE_ALWAYS;
 
 public: