diff --git a/sys/arm/include/asmacros.h b/sys/arm/include/asmacros.h
index d7f804fa26de..38d739f9dae3 100644
--- a/sys/arm/include/asmacros.h
+++ b/sys/arm/include/asmacros.h
@@ -35,7 +35,7 @@
 
 #ifdef LOCORE
 
-#ifdef _ARM_ARCH_6
+#if __ARM_ARCH >= 6
 #define GET_CURTHREAD_PTR(tmp) \
     	mrc	p15, 0, tmp, c13, c0, 4
 #else