diff --git a/security/landlock/access.h b/security/landlock/access.h
index bbbb41f41147..f843835851d0 100644
--- a/security/landlock/access.h
+++ b/security/landlock/access.h
@@ -61,6 +61,10 @@ union access_masks_all {
 static_assert(sizeof(typeof_member(union access_masks_all, masks)) ==
 	      sizeof(typeof_member(union access_masks_all, all)));
 
+#define _LANDLOCK_LAYER_MASK_PADDING                              \
+	(BITS_PER_TYPE(access_mask_t) - LANDLOCK_NUM_ACCESS_MAX - \
+	 IS_ENABLED(CONFIG_SECURITY_LANDLOCK_LOG))
+
 /**
  * struct layer_mask - The access rights and rule flags for a layer.
  *
@@ -81,6 +85,10 @@ struct layer_mask {
 	 */
 	access_mask_t quiet : 1;
 #endif /* CONFIG_SECURITY_LANDLOCK_LOG */
+	/**
+	 * @__pad: Padding for the compiler's bitfield initialization.
+	 */
+	access_mask_t __pad : _LANDLOCK_LAYER_MASK_PADDING;
 } __packed __aligned(sizeof(access_mask_t));
 
 /*