diff --git a/asm/secure.s b/asm/secure.s
index f889a118d..73197bf2e 100644
--- a/asm/secure.s
+++ b/asm/secure.s
@@ -1,11 +1,11 @@
 /* secure.s TODO: Disassemble */
+	.include "asm/macros.inc"
 
 .section .text
 
 .incbin "baserom.nds", 0x4000, 0x5F2
 
-	.global FUN_020005F2
-	.thumb
+	thumb_func_start
 FUN_020005F2:
 	swi 3
 	bx lr
diff --git a/global.inc b/global.inc
index bd7155df9..7987d56ed 100644
--- a/global.inc
+++ b/global.inc
@@ -926,4 +926,4 @@
 .extern FUN_01FF84E4
 .extern FUN_01FF85F0
 .extern FUN_01FF84A4
-.extern FUN_01FF8544
\ No newline at end of file
+.extern FUN_01FF8544