diff --git a/cpu/pxa/start.S b/cpu/pxa/start.S
index b1f6e7e..d74f41f 100644
--- a/cpu/pxa/start.S
+++ b/cpu/pxa/start.S
@@ -147,7 +147,7 @@
 clbss_l:str	r2, [r0]		/* clear loop...                    */
 	add	r0, r0, #4
 	cmp	r0, r1
-	bne	clbss_l
+	ble	clbss_l
 
 	ldr	pc, _start_armboot