diff --git a/source/arm9/debug.c b/source/arm9/debug.c
index ebafa10..8e533a9 100644
--- a/source/arm9/debug.c
+++ b/source/arm9/debug.c
@@ -24,6 +24,8 @@
 #include "fatfs/ff.h"
 #include "fsutils.h"
 #include "arm9/hardware/interrupt.h"
+#include "hardware/gfx.h"
+#include "arm9/hardware/ndma.h"
 
 static u32 debugHash = 0;
 
@@ -57,7 +59,12 @@
 	
 	//PXI_sendWord(PXI_CMD_ALLOW_POWER_OFF);
 
-	while(1) __wfi();
+	while(1)
+	{
+		const u32 color = RGB8_to_565(255, 0, 0)<<16 | RGB8_to_565(255, 0, 0);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_1, color, SCREEN_SIZE_SUB);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_2, color, SCREEN_SIZE_SUB);
+	}
 }
 
 noreturn void panicMsg(const char *msg)
@@ -74,7 +81,12 @@
 	
 	//PXI_sendWord(PXI_CMD_ALLOW_POWER_OFF);
 
-	while(1) __wfi();
+	while(1)
+	{
+		const u32 color = RGB8_to_565(255, 0, 0)<<16 | RGB8_to_565(255, 0, 0);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_1, color, SCREEN_SIZE_SUB);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_2, color, SCREEN_SIZE_SUB);
+	}
 }
 
 // Expects the registers in the exception stack to be in the following order:
diff --git a/source/fb_assert.c b/source/fb_assert.c
index e80b38c..f81689e 100644
--- a/source/fb_assert.c
+++ b/source/fb_assert.c
@@ -19,15 +19,19 @@
 #include "types.h"
 #ifdef ARM9
 	#include "arm9/hardware/interrupt.h"
+	#include "arm9/hardware/ndma.h"
 #elif ARM11
 	#include "arm11/fmt.h"
 	#include "arm11/hardware/interrupt.h"
 #endif
+#include "hardware/gfx.h"
 
 
 
 noreturn void __fb_assert(const char *const str, u32 line)
 {
+	enterCriticalSection();
+
 #ifdef ARM9
 	// Get rid of the warnings.
 	(void)str;
@@ -36,6 +40,14 @@
 	ee_printf("Assertion failed: %s:%" PRIu32, str, line);
 #endif
 
-	enterCriticalSection();
-	while(1) __wfi();
+	while(1)
+	{
+#ifdef ARM9
+		const u32 color = RGB8_to_565(0, 0, 255)<<16 | RGB8_to_565(0, 0, 255);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_1, color, SCREEN_SIZE_SUB);
+		NDMA_fill((u32*)FRAMEBUF_SUB_A_2, color, SCREEN_SIZE_SUB);
+#elif ARM11
+		__wfi();
+#endif
+	}
 }