diff --git a/libraries/libn3ds b/libraries/libn3ds
index 15f7b8c..418fb4b 160000
--- a/libraries/libn3ds
+++ b/libraries/libn3ds
@@ -1 +1 @@
-Subproject commit 15f7b8c5f33695f8f1610b007f10630293081592
+Subproject commit 418fb4b59741f61d7439ae3a854631b2c88b201d
diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index 066925a..fb2f437 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -42,6 +42,7 @@
 #include "arm11/save_type.h"
 #include "arm11/patch.h"
 #include "arm11/bitmap.h"
+#include "arm11/drivers/pdn.h"
 
 #include "arm11/drivers/interrupt.h"
 
@@ -652,17 +653,15 @@ void oafSleep(void)
 
     CODEC_setVolumeOverride(-128);
     GFX_sleep();
+	PDN_sleep();
 	g_isSleeping = true;
 }
 
 void oafWakeup(void)
 {
 	if (!g_isSleeping) return;
-	GFX_sleepAwake();
-	// VRAM is cleared upon waking up
-	// need to readjust screen after waking up
-	adjustGammaTableForGba();
-    
+	PDN_wakeup();
+	GFX_sleepAwake();    
     LGYCAP_start(LGYCAP_DEV_TOP);
 	IRQ_enable(IRQ_CDMA_EVENT0);
     CODEC_setVolumeOverride(127);