diff --git a/src/internal.h b/src/internal.h
old mode 100644
new mode 100755
index 54c16d39..ccb7f402
--- a/src/internal.h
+++ b/src/internal.h
@@ -60,6 +60,7 @@ typedef struct _GLFWwndconfig   _GLFWwndconfig;
 typedef struct _GLFWfbconfig    _GLFWfbconfig;
 typedef struct _GLFWwindow      _GLFWwindow;
 typedef struct _GLFWlibrary     _GLFWlibrary;
+typedef struct _GLFWmonitor     _GLFWmonitor;
 
 
 //------------------------------------------------------------------------
@@ -76,13 +77,6 @@ typedef struct _GLFWlibrary     _GLFWlibrary;
 // extensions and not all operating systems come with an up-to-date version
 #include "../support/GL/glext.h"
 
-typedef struct _GLFWhints _GLFWhints;
-typedef struct _GLFWwndconfig _GLFWwndconfig;
-typedef struct _GLFWfbconfig _GLFWfbconfig;
-typedef struct _GLFWwindow _GLFWwindow;
-typedef struct _GLFWlibrary _GLFWlibrary;
-typedef struct _GLFWmonitor _GLFWmonitor;
-
 #if defined(_GLFW_COCOA_NSGL)
  #include "cocoa_platform.h"
 #elif defined(_GLFW_WIN32_WGL)