diff --git a/src/PowderToySDL.cpp b/src/PowderToySDL.cpp
index 618fdec88..f49ed55a0 100644
--- a/src/PowderToySDL.cpp
+++ b/src/PowderToySDL.cpp
@@ -5,7 +5,7 @@
 #include <time.h>
 #include "SDL.h"
 #ifdef WIN
-#define _WIN32_WINNT 0x0501	//Necessary for some macros and functions
+#define _WIN32_WINNT 0x0501	//Necessary for some macros and functions, tells windows.h to include functions only available in Windows XP or later
 #include "SDL_syswm.h"
 #include <direct.h>
 #endif
diff --git a/src/gui/interface/Keys.h b/src/gui/interface/Keys.h
index cd265f93e..424dd86b5 100644
--- a/src/gui/interface/Keys.h
+++ b/src/gui/interface/Keys.h
@@ -1,6 +1,6 @@
 
 #if defined(USE_SDL)
-#include "SDL/SDL.h"
+#include "SDL.h"
 #define KEY_UP SDLK_UP
 #define KEY_DOWN SDLK_DOWN
 #define KEY_RIGHT SDLK_RIGHT