diff --git a/src/daycare.c b/src/daycare.c
index 2bd78a4ab477..df5cf94633fe 100755
--- a/src/daycare.c
+++ b/src/daycare.c
@@ -28,7 +28,7 @@
 
 extern const struct Evolution gEvolutionTable[][EVOS_PER_MON];
 
-#define IS_DITTO(species) (gBaseStats[species].eggGroup1 == EGG_GROUP_DITTO || gBaseStats[species].eggGroup2 == EGG_GROUP_DITTO)
+#define IS_DITTO(species) (gSpeciesInfo[species].eggGroups[0] == EGG_GROUP_DITTO || gSpeciesInfo[species].eggGroups[1] == EGG_GROUP_DITTO)
 
 static void ClearDaycareMonMail(struct DaycareMail *mail);
 static void SetInitialEggData(struct Pokemon *mon, u16 species, struct DayCare *daycare);