diff --git a/src/fieldmap.c b/src/fieldmap.c
index 8dfa23bf34..149084d35e 100644
--- a/src/fieldmap.c
+++ b/src/fieldmap.c
@@ -866,7 +866,7 @@ static void ApplyGlobalTintToPaletteEntries(u16 offset, u16 size)
 
 }
 
-static void ApplyGlobalTintToPaletteSlot(void)
+static void ApplyGlobalTintToPaletteSlot(u8 slot, u8 count)
 {
 
 }