diff --git a/src/include/smp/atomic.h b/src/include/smp/atomic.h
index 4748990f12..09a77e72f1 100644
--- a/src/include/smp/atomic.h
+++ b/src/include/smp/atomic.h
@@ -1,7 +1,7 @@
 #ifndef SMP_ATOMIC_H
 #define SMP_ATOMIC_H
 
-#ifdef CONFIG_SMP
+#if CONFIG_SMP == 1
 #include <arch/smp/atomic.h>
 #else
 
diff --git a/src/include/smp/spinlock.h b/src/include/smp/spinlock.h
index 77a0e51682..29f348dea0 100644
--- a/src/include/smp/spinlock.h
+++ b/src/include/smp/spinlock.h
@@ -1,7 +1,7 @@
 #ifndef SMP_SPINLOCK_H
 #define SMP_SPINLOCK_H
 
-#ifdef CONFIG_SMP
+#if CONFIG_SMP == 1
 #include <arch/smp/spinlock.h>
 #else /* !CONFIG_SMP */