diff --git a/include/battle_main.h b/include/battle_main.h
index 6c7073014..df59dcae3 100644
--- a/include/battle_main.h
+++ b/include/battle_main.h
@@ -22,12 +22,6 @@ struct MultiPartnerMenuPokemon
     /*0x1D*/ u8 language;
 };
 
-#if B_EXPANDED_ABILITY_NAMES
-#define ABILITY_NAME_LENGTH 16
-#else
-#define ABILITY_NAME_LENGTH 12
-#endif
-
 // defines for the 'DoBounceEffect' function
 #define BOUNCE_MON          0x0
 #define BOUNCE_HEALTHBOX    0x1
diff --git a/include/constants/global.h b/include/constants/global.h
index 5c07c7049..2a773dbb9 100644
--- a/include/constants/global.h
+++ b/include/constants/global.h
@@ -109,6 +109,11 @@
 #define WONDER_CARD_BODY_TEXT_LINES 4
 #define WONDER_NEWS_BODY_TEXT_LINES 10
 #define TYPE_NAME_LENGTH 6
+#if B_EXPANDED_ABILITY_NAMES == TRUE
+#define ABILITY_NAME_LENGTH 16
+#else
+#define ABILITY_NAME_LENGTH 12
+#endif
 #define TRAINER_NAME_LENGTH 10
 
 #define MAX_STAMP_CARD_STAMPS 7