diff --git a/src/main/java/uulm/teamname/marvelous/gamelibrary/gamelogic/GameLogic.java b/src/main/java/uulm/teamname/marvelous/gamelibrary/gamelogic/GameLogic.java
index 46039c2..8b1a75f 100644
--- a/src/main/java/uulm/teamname/marvelous/gamelibrary/gamelogic/GameLogic.java
+++ b/src/main/java/uulm/teamname/marvelous/gamelibrary/gamelogic/GameLogic.java
@@ -131,8 +131,8 @@ public class GameLogic {
                         case SpaceStone -> {
                             verifyCoordinates(state, data.targetField);
 
-                            if(state.entities.blocksMovement(data.targetField)) {
-                                throw new InvalidRequestException("Using space stone onto blocked field");
+                            if(state.entities.findByPosition(data.targetField).size() != 0) {
+                                throw new InvalidRequestException("Using space stone onto non-free field");
                             }
                         }
                         case MindStone -> {