diff --git a/firmware/target/arm/tms320dm320/boot.lds b/firmware/target/arm/tms320dm320/boot.lds
index a4077eeaaa..c4223ddb62 100644
--- a/firmware/target/arm/tms320dm320/boot.lds
+++ b/firmware/target/arm/tms320dm320/boot.lds
@@ -27,8 +27,11 @@ STARTUP(target/arm/tms320dm320/crt0.o)
 /* must be 16Kb (0x4000) aligned */
 #define TTB_SIZE         (0x4000)
 
-/* Give this 1 meg to allow it to align to the MMU boundary */
-#define LCD_TTB_AREA    0x100000
+/* Give this some memory to allow it to align to the MMU boundary.
+ * Note that since there are two buffers (YUV/RGB) it calculates the approximate
+ * memory needed in steps of 1 Meg.
+ */
+#define LCD_TTB_AREA    0x100000*((LCD_BUFFER_SIZE>>19)+1)
 
 #define BOOT_OFFSET     0x1000000