diff --git a/src/main/java/appeng/items/materials/MaterialType.java b/src/main/java/appeng/items/materials/MaterialType.java
index 9ee051435..d43e577ea 100644
--- a/src/main/java/appeng/items/materials/MaterialType.java
+++ b/src/main/java/appeng/items/materials/MaterialType.java
@@ -144,7 +144,7 @@ public enum MaterialType
 		this( metaValue, modelName, features );
 		this.droppedEntity = c;
 
-		EntityRegistry.registerModEntity( new ResourceLocation( this.droppedEntity.getName() ), this.droppedEntity, "appliedenergistics2:" + this.droppedEntity.getSimpleName(),
+		EntityRegistry.registerModEntity( new ResourceLocation( "appliedenergistics2", this.droppedEntity.getName() ), this.droppedEntity, this.droppedEntity.getSimpleName(),
 				EntityIds.get( this.droppedEntity ), AppEng.instance(), 16, 4,
 				true );
 	}
@@ -154,7 +154,7 @@ public enum MaterialType
 		this( metaValue, modelName, features );
 		this.oreName = oreDictionary;
 		this.droppedEntity = c;
-		EntityRegistry.registerModEntity( new ResourceLocation( this.droppedEntity.getName() ), this.droppedEntity, "appliedenergistics2:" + this.droppedEntity.getSimpleName(),
+		EntityRegistry.registerModEntity( new ResourceLocation( "appliedenergistics2", this.droppedEntity.getName() ), this.droppedEntity, this.droppedEntity.getSimpleName(),
 				EntityIds.get( this.droppedEntity ), AppEng.instance(), 16, 4,
 				true );
 	}
diff --git a/src/main/java/appeng/items/misc/ItemCrystalSeed.java b/src/main/java/appeng/items/misc/ItemCrystalSeed.java
index 1ef538c6e..cf6afe19d 100644
--- a/src/main/java/appeng/items/misc/ItemCrystalSeed.java
+++ b/src/main/java/appeng/items/misc/ItemCrystalSeed.java
@@ -64,7 +64,7 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 	{
 		this.setHasSubtypes( true );
 
-		EntityRegistry.registerModEntity( new ResourceLocation( EntityGrowingCrystal.class.getName() ), EntityGrowingCrystal.class, "appliedenergistics2:" + EntityGrowingCrystal.class.getSimpleName(), EntityIds.get( EntityGrowingCrystal.class ), AppEng.instance(), 16, 4, true );
+		EntityRegistry.registerModEntity( new ResourceLocation( "appliedenergistics2", EntityGrowingCrystal.class.getName() ), EntityGrowingCrystal.class, EntityGrowingCrystal.class.getSimpleName(), EntityIds.get( EntityGrowingCrystal.class ), AppEng.instance(), 16, 4, true );
 	}
 
 	@Nullable