diff --git a/cpu/sam0_common/include/periph_cpu_common.h b/cpu/sam0_common/include/periph_cpu_common.h
index 215ff32e1c..ac3fe8edd0 100644
--- a/cpu/sam0_common/include/periph_cpu_common.h
+++ b/cpu/sam0_common/include/periph_cpu_common.h
@@ -98,7 +98,7 @@ enum {
  * @name    Power mode configuration
  * @{
  */
-#ifdef CPU_FAM_SAML11
+#ifdef CPU_SAML1X
 #define PM_NUM_MODES        (2)
 #else
 #define PM_NUM_MODES        (3)