diff --git a/src/pokemon_icon.c b/src/pokemon_icon.c
index 678e193675..49b93fd511 100644
--- a/src/pokemon_icon.c
+++ b/src/pokemon_icon.c
@@ -23,7 +23,7 @@ struct MonIconSpriteTemplate
 
 // static functions
 static u8 CreateMonIconSprite(struct MonIconSpriteTemplate *, s16, s16, u8);
-#if P_ENABLE_DEBUG
+#if P_ENABLE_DEBUG == TRUE
 static const u8 *GetMonIconPtrCustom(u16 species, u32 personality, bool8 isFemale);
 static const u8* GetMonIconTilesCustom(u16 species, bool8 isFemale);
 #endif