diff --git a/src/containers.h b/src/containers.h
index 7ce09a9..2261b07 100644
--- a/src/containers.h
+++ b/src/containers.h
@@ -24,10 +24,10 @@ struct wgallowedip {
 };
 
 enum {
-	WGPEER_REMOVE_ME = (1 << 0),
-	WGPEER_REPLACE_ALLOWEDIPS = (1 << 1),
-	WGPEER_HAS_PRESHARED_KEY = (1 << 2),
-	WGPEER_HAS_PERSISTENT_KEEPALIVE_INTERVAL = (1 << 3)
+	WGPEER_REMOVE_ME = 1U << 0,
+	WGPEER_REPLACE_ALLOWEDIPS = 1U << 1,
+	WGPEER_HAS_PRESHARED_KEY = 1U << 2,
+	WGPEER_HAS_PERSISTENT_KEEPALIVE_INTERVAL = 1U << 3
 };
 
 struct wgpeer {
@@ -51,10 +51,10 @@ struct wgpeer {
 };
 
 enum {
-	WGDEVICE_REPLACE_PEERS = (1 << 0),
-	WGDEVICE_HAS_PRIVATE_KEY = (1 << 1),
-	WGDEVICE_HAS_LISTEN_PORT = (1 << 2),
-	WGDEVICE_HAS_FWMARK = (1 << 3)
+	WGDEVICE_REPLACE_PEERS = 1U << 0,
+	WGDEVICE_HAS_PRIVATE_KEY = 1U << 1,
+	WGDEVICE_HAS_LISTEN_PORT = 1U << 2,
+	WGDEVICE_HAS_FWMARK = 1U << 3
 };
 
 enum {