diff --git a/src/main/scala/de/tobias/playpad/server/project/Design.scala b/src/main/scala/de/tobias/playpad/server/project/Design.scala
index 41006b98d0d491fdf481ebad270da56321d3387f..2e86b53a8a0246b4684e74667ac021c0b860fa76 100644
--- a/src/main/scala/de/tobias/playpad/server/project/Design.scala
+++ b/src/main/scala/de/tobias/playpad/server/project/Design.scala
@@ -2,7 +2,7 @@ package de.tobias.playpad.server.project
 
 import java.util.UUID
 
-import de.tobias.playpad.server.utils.json.UUIDSerializerHandler
+import de.tobias.playpad.server.utils.json.{JsonName, JsonParent, UUIDSerializerHandler}
 
 /**
  * Created by tobias on 23.02.17.
diff --git a/src/main/scala/de/tobias/playpad/server/project/Path.scala b/src/main/scala/de/tobias/playpad/server/project/Path.scala
index 8a9e68785e1cf5b45b842845d4d9e0923d1f61cd..3e985743ce430bce480e811fd3c9a59acd2dd466 100644
--- a/src/main/scala/de/tobias/playpad/server/project/Path.scala
+++ b/src/main/scala/de/tobias/playpad/server/project/Path.scala
@@ -2,7 +2,7 @@ package de.tobias.playpad.server.project
 
 import java.util.UUID
 
-import de.tobias.playpad.server.utils.json.UUIDSerializerHandler
+import de.tobias.playpad.server.utils.json.{JsonName, JsonParent, UUIDSerializerHandler}
 
 /**
  * Created by tobias on 20.02.17.
diff --git a/src/main/scala/de/tobias/playpad/server/project/Project.scala b/src/main/scala/de/tobias/playpad/server/project/Project.scala
index 0457d3d5aacaafff38aaa9b918cee01fe456a4bf..d87fac8514ee6063ec6c2faf79894d5825ca6c92 100644
--- a/src/main/scala/de/tobias/playpad/server/project/Project.scala
+++ b/src/main/scala/de/tobias/playpad/server/project/Project.scala
@@ -2,7 +2,7 @@ package de.tobias.playpad.server.project
 
 import java.util.UUID
 
-import de.tobias.playpad.server.utils.json.UUIDSerializerHandler
+import de.tobias.playpad.server.utils.json.{JsonCollection, JsonName, UUIDSerializerHandler}
 
 /**
  * Created by tobias on 17.02.17.