diff --git a/injector/patches/romfsredir.s b/injector/patches/romfsredir.s
index cc817ea..a26773f 100644
--- a/injector/patches/romfsredir.s
+++ b/injector/patches/romfsredir.s
@@ -53,8 +53,9 @@ _start:
     fsRedir:
         stmfd   sp!, {r0-r12, lr}
         ldrb    r12, [r1]
-        cmp     r12, #0x72 ; 'r', should include "rom:" and "rom2:"
+        cmp     r12, #0x72 ; 'r', should include "rom:", "rom2:" and "rex:"
         cmpne   r12, #0x70 ; 'p', should include "patch:"
+        cmpne   r12, #0x65 ; 'e', should include "ext:"
         bne 	endRedir
         sub     sp, sp, #0x400
         pathRedir: