diff --git a/lib/gamelib/gtime.c b/lib/gamelib/gtime.c
index 3f9e5fb4e..2406b129e 100644
--- a/lib/gamelib/gtime.c
+++ b/lib/gamelib/gtime.c
@@ -5,6 +5,8 @@
  *
  */
 
+#include "SDL/SDL_timer.h"
+
 #include <time.h>
 
 //#define DEBUG_GROUP1
diff --git a/lib/ivis_opengl/piedraw.c b/lib/ivis_opengl/piedraw.c
index 418cea739..6b0d9ae54 100644
--- a/lib/ivis_opengl/piedraw.c
+++ b/lib/ivis_opengl/piedraw.c
@@ -9,6 +9,7 @@
 
 #include <string.h>
 #include <SDL/SDL_opengl.h>
+#include <SDL/SDL_video.h>
 
 #include "lib/framework/frame.h"
 #include "lib/ivis_common/ivisdef.h"
diff --git a/src/seqdisp.c b/src/seqdisp.c
index 1c1ba5cda..dee2aa626 100644
--- a/src/seqdisp.c
+++ b/src/seqdisp.c
@@ -4,6 +4,7 @@
  * Functions for the display of the Escape Sequences
  *
  */
+#include "SDL/SDL_timer.h"
 #include <physfs.h>
 
 #include "lib/framework/frame.h"