diff --git a/arch/arm/include/arch/spinlock.h b/arch/arm/include/arch/spinlock.h
index dbb26ebc8..dcd1d033c 100644
--- a/arch/arm/include/arch/spinlock.h
+++ b/arch/arm/include/arch/spinlock.h
@@ -50,7 +50,7 @@ static inline void arch_spin_unlock(spin_lock_t *lock) {
 
 #endif
 
-#if !ARM_ISA_ARMV7M
+#if !(ARM_ISA_ARMV7M || ARM_ISA_ARMV6M)
 
 /* ARM specific flags */
 #define SPIN_LOCK_FLAG_IRQ                      0x40000000