diff --git a/core/src/main/java/org/geysermc/geyser/entity/type/living/animal/TurtleEntity.java b/core/src/main/java/org/geysermc/geyser/entity/type/living/animal/TurtleEntity.java
index 16901a844..ae7f2d2bd 100644
--- a/core/src/main/java/org/geysermc/geyser/entity/type/living/animal/TurtleEntity.java
+++ b/core/src/main/java/org/geysermc/geyser/entity/type/living/animal/TurtleEntity.java
@@ -55,6 +55,17 @@ public class TurtleEntity extends AnimalEntity {
         return ItemTag.TURTLE_FOOD;
     }
 
+    @Override
+    protected float getAdultSize() {
+        return super.getAdultSize() * 0.7f;
+    }
+
+    @Override
+    protected float getBabySize() {
+        // 0.3f is Java scale, plus Bedrock difference
+        return 0.3f * 0.5f;
+    }
+
     @Override
     public boolean canBeLeashed() {
         return false;