diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 36ce2c1c982f03447521546f7a0c81b2ad32744d..f903e1040b36b769b4bb7c476185c6ed8c43619f 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -116,7 +116,7 @@
 	.endm
 
 	.macro	isb, args
-	mcr	p15, 0, r0, c7, r5, 4
+	mcr	p15, 0, r0, c7, c5, 4
 	.endm
 #endif