diff --git a/source/start.s b/source/start.s
index 45df288..0863a68 100644
--- a/source/start.s
+++ b/source/start.s
@@ -83,7 +83,7 @@ _skip_gw:
 
     @ Clear bss
     ldr r0, =__bss_start
-    ldr r1, =__end__
+    ldr r1, =__bss_end
     mov r2, #0
 
     .bss_clr:
@@ -91,6 +91,12 @@ _skip_gw:
         strlt r2, [r0], #4
         blt .bss_clr
 
+    @ Flush caches
+    mov r5, #0
+    mcr p15, 0, r5, c7, c5, 0  @ flush I-cache
+    mcr p15, 0, r5, c7, c6, 0  @ flush D-cache
+    mcr p15, 0, r5, c7, c10, 4 @ drain write buffer
+
     @ Give read/write access to all the memory regions
     ldr r5, =0x33333333
     mcr p15, 0, r5, c5, c0, 2 @ write data access
@@ -131,12 +137,6 @@ _skip_gw:
     orr r4, r4, #(1<<0)        @ - mpu enable
     mcr p15, 0, r4, c1, c0, 0  @ write control register
 
-    @ Flush caches
-    mov r5, #0
-    mcr p15, 0, r5, c7, c5, 0  @ flush I-cache
-    mcr p15, 0, r5, c7, c6, 0  @ flush D-cache
-    mcr p15, 0, r5, c7, c10, 4 @ drain write buffer
-
     @ Fixes mounting of SDMC
     ldr r0, =0x10000020
     mov r1, #0x340