diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index b01d5e7e3d5abb4a5632c1b677764310c81db243..517a4d6ffc74b791691a3a2f65099bb6352e5e64 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -112,9 +112,9 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 static inline void prefetch(const void *ptr)
 {
 	__asm__ __volatile__(
-		"pld\t%0"
+		"pld\t%a0"
 		:
-		: "o" (*(char *)ptr)
+		: "p" (ptr)
 		: "cc");
 }