diff --git a/rbutil/mkamsboot/dualboot/dualboot.S b/rbutil/mkamsboot/dualboot/dualboot.S
index bdb8722..d37a466 100644
--- a/rbutil/mkamsboot/dualboot/dualboot.S
+++ b/rbutil/mkamsboot/dualboot/dualboot.S
@@ -174,6 +174,20 @@ uclcopy:
         cmp     r2, #0              @ test input from pins
         bne     boot_of             @ branch directly to OF if either pin high
 
+#elif defined(SANSA_CLIPZIP)
+        @ read pins
+        ldr     r0, =GPIOA
+        ldr     r1, [r0, #4*(1<<6)] @ read pin A6 "vol-" or "vol+"
+
+        cmp     r1, #0              @ test input from pins
+        bne     boot_of             @ branch directly to OF if either pin high
+
+        ldr     r0,=24000000
+delayloop:
+        subs    r0, r0, #1
+        bne     delayloop
+
+        b       boot_of
 
 #elif defined(SANSA_C200V2)
 .set BUTTON_LEFT,      (1<< 2)