diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index b50cc0169d5c4c071c2e069ffe82d100efa859b0..aee73ef5b3dc49043d251fb0b9ca0a02fae08a95 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -113,7 +113,7 @@
 	.endm
 
 	.macro	isb, args
-	mcr	p15, 0, r0, c7, r5, 4
+	mcr	p15, 0, r0, c7, c5, 4
 	.endm
 #endif