diff --git a/src/character.h b/src/character.h
index cc62b58920ee0..e143007b7aff3 100644
--- a/src/character.h
+++ b/src/character.h
@@ -1397,7 +1397,7 @@ class Character : public Creature, public visitable
         /** This is to prevent clang complaining about overloading a virtual function, the creature version uses monster flags so confusion is unlikely. */
         using Creature::has_flag;
         /** Returns true if player has a trait, bionic, effect, bodypart, or martial arts buff with a flag */
-        bool has_flag( const json_character_flag &flag ) const;
+        bool has_flag( const json_character_flag &flag ) const override;
         /** Returns the count of traits, bionics, effects, bodyparts, and martial arts buffs with a flag */
         int count_flag( const json_character_flag &flag ) const;
 
diff --git a/src/monster.h b/src/monster.h
index 7ba1a4e2dede2..c29b0a892d1fc 100644
--- a/src/monster.h
+++ b/src/monster.h
@@ -167,7 +167,7 @@ class monster : public Creature
         bool has_flag( const mon_flag_id &f ) const final;
         // Evaluates monster for both JSON and monster flags (converted to mon_flag_id)
         using Creature::has_flag;
-        bool has_flag( const flag_id &f ) const;
+        bool has_flag( const flag_id &f ) const override;
         bool can_see() const;      // MF_SEES and no MF_BLIND
         bool can_hear() const;     // MF_HEARS and no MF_DEAF
         bool can_submerge() const; // MF_AQUATIC or swims() or MF_NO_BREATH, and not MF_ELECTRONIC