diff --git a/src/audio/psp/SDL_pspaudio.c b/src/audio/psp/SDL_pspaudio.c
index 5b1705926..3abe3a110 100644
--- a/src/audio/psp/SDL_pspaudio.c
+++ b/src/audio/psp/SDL_pspaudio.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 #include <stdio.h>
 #include <string.h>
diff --git a/src/joystick/psp/SDL_sysjoystick.c b/src/joystick/psp/SDL_sysjoystick.c
index f848d1cee..3f9bd2d92 100644
--- a/src/joystick/psp/SDL_sysjoystick.c
+++ b/src/joystick/psp/SDL_sysjoystick.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 /* This is the PSP implementation of the SDL joystick API */
 #include <pspctrl.h>
diff --git a/src/thread/psp/SDL_syssem.c b/src/thread/psp/SDL_syssem.c
index 27d3251a2..3abb83565 100644
--- a/src/thread/psp/SDL_syssem.c
+++ b/src/thread/psp/SDL_syssem.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 /* Semaphore functions for the PSP. */
 
diff --git a/src/thread/psp/SDL_systhread.c b/src/thread/psp/SDL_systhread.c
index d2fbeeb2f..2d5433c53 100644
--- a/src/thread/psp/SDL_systhread.c
+++ b/src/thread/psp/SDL_systhread.c
@@ -18,7 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
-
+#include "../../SDL_internal.h"
 
 /* PSP thread management routines for SDL */
 
diff --git a/src/timer/psp/SDL_systimer.c b/src/timer/psp/SDL_systimer.c
index b706f4495..1ae3d7fe5 100644
--- a/src/timer/psp/SDL_systimer.c
+++ b/src/timer/psp/SDL_systimer.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 #include "SDL_thread.h"
 #include "SDL_timer.h"
diff --git a/src/video/psp/SDL_pspevents.c b/src/video/psp/SDL_pspevents.c
index d096c0616..982186b47 100644
--- a/src/video/psp/SDL_pspevents.c
+++ b/src/video/psp/SDL_pspevents.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 /* Being a null driver, there's no event stream. We just define stubs for
    most of the API. */
diff --git a/src/video/psp/SDL_pspgl.c b/src/video/psp/SDL_pspgl.c
index d24e72292..8b2cd8865 100644
--- a/src/video/psp/SDL_pspgl.c
+++ b/src/video/psp/SDL_pspgl.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/video/psp/SDL_pspmouse.c b/src/video/psp/SDL_pspmouse.c
index 8df3d614e..d9d8eefd2 100644
--- a/src/video/psp/SDL_pspmouse.c
+++ b/src/video/psp/SDL_pspmouse.c
@@ -18,6 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+#include "../../SDL_internal.h"
 
 
 #include <stdio.h>