diff --git a/Quake/gl_vidsdl.c b/Quake/gl_vidsdl.c
index 97582945..076a60e5 100644
--- a/Quake/gl_vidsdl.c
+++ b/Quake/gl_vidsdl.c
@@ -24,6 +24,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 #include "resource.h"
+#include "SDL.h"
 
 #define MAX_MODE_LIST	600 //johnfitz -- was 30
 #define VID_ROW_SIZE	3
diff --git a/Quake/in_sdl.c b/Quake/in_sdl.c
index 22cd50e0..4a55aee3 100644
--- a/Quake/in_sdl.c
+++ b/Quake/in_sdl.c
@@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
+#include "SDL.h"
 
 static qboolean	no_mouse = false;
 
diff --git a/Quake/main_sdl.c b/Quake/main_sdl.c
index 6753ad9e..37f04bf6 100644
--- a/Quake/main_sdl.c
+++ b/Quake/main_sdl.c
@@ -19,8 +19,10 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 */
-#include <stdio.h>
+
 #include "quakedef.h"
+#include "SDL.h"
+#include <stdio.h>
 
 #define DEFAULT_MEMORY 0x4000000
 
diff --git a/Quake/net_sdlnet.c b/Quake/net_sdlnet.c
index 91b25151..31753915 100644
--- a/Quake/net_sdlnet.c
+++ b/Quake/net_sdlnet.c
@@ -19,8 +19,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
-#include "SDL_net.h"
 #include "net_sdlnet.h"
+#include "SDL.h"
+#include "SDL_net.h"
 
 #ifndef MAXHOSTNAMELEN
 #define MAXHOSTNAMELEN	255
diff --git a/Quake/pl_linux.c b/Quake/pl_linux.c
index e93d3fa4..014ff9bd 100644
--- a/Quake/pl_linux.c
+++ b/Quake/pl_linux.c
@@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
+#include "SDL.h"
 
 static const Uint8 bmp_bytes[] =
 {
diff --git a/Quake/pl_osx.m b/Quake/pl_osx.m
index d0bc12fe..e934f2df 100644
--- a/Quake/pl_osx.m
+++ b/Quake/pl_osx.m
@@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
+#include "SDL.h"
 #import <Cocoa/Cocoa.h>
 
 void PL_SetWindowIcon (void)
@@ -37,3 +38,4 @@ void PL_ErrorDialog(const char *text)
     NSString *msg = [NSString stringWithCString:text encoding:NSASCIIStringEncoding];
     NSRunAlertPanel(nil, msg, nil, nil, nil);
 }
+
diff --git a/Quake/pl_win.c b/Quake/pl_win.c
index b801af9f..c16a0d25 100644
--- a/Quake/pl_win.c
+++ b/Quake/pl_win.c
@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 #include <windows.h>
+#include "SDL.h"
 #include "SDL_syswm.h"
 
 HICON icon;
@@ -60,3 +61,4 @@ void PL_ErrorDialog(const char *text)
 {
     MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
 }
+
diff --git a/Quake/sys_sdl.c b/Quake/sys_sdl.c
index ad38afc0..1e821ab6 100644
--- a/Quake/sys_sdl.c
+++ b/Quake/sys_sdl.c
@@ -36,6 +36,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <time.h>
 #endif
 
+#include "SDL.h"
+
 #define CONSOLE_ERROR_TIMEOUT	60.0	/* # of seconds to wait on Sys_Error running */
 qboolean		isDedicated;
 static qboolean		sc_return_on_enter = false;