diff --git a/spritesheet_rules.mk b/spritesheet_rules.mk
index d49e0b735d..6df10a11b2 100644
--- a/spritesheet_rules.mk
+++ b/spritesheet_rules.mk
@@ -3517,7 +3517,7 @@ $(POKEMONGFXDIR)/zamazenta/crowned_shield/follower.4bpp: %.4bpp: %.png
 	$(GFX) $< $@ -mwidth 4 -mheight 4
 
 $(POKEMONGFXDIR)/eternatus/follower.4bpp: %.4bpp: %.png
-	$(GFX) $< $@ -mwidth 8 -mheight 8
+	$(GFX) $< $@ -mwidth 4 -mheight 4
 
 $(POKEMONGFXDIR)/kubfu/follower.4bpp: %.4bpp: %.png
 	$(GFX) $< $@ -mwidth 4 -mheight 4