diff --git a/src/main/java/com/minecolonies/core/entity/citizen/citizenhandlers/CitizenExperienceHandler.java b/src/main/java/com/minecolonies/core/entity/citizen/citizenhandlers/CitizenExperienceHandler.java
index fa16ec6130c..53fe86aeba0 100755
--- a/src/main/java/com/minecolonies/core/entity/citizen/citizenhandlers/CitizenExperienceHandler.java
+++ b/src/main/java/com/minecolonies/core/entity/citizen/citizenhandlers/CitizenExperienceHandler.java
@@ -7,13 +7,13 @@
 import com.minecolonies.api.entity.citizen.citizenhandlers.ICitizenExperienceHandler;
 import com.minecolonies.api.util.CompatibilityUtils;
 import com.minecolonies.api.util.WorldUtil;
+import com.minecolonies.core.colony.buildings.modules.WorkerBuildingModule;
+import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.ExperienceOrb;
-import net.minecraft.core.particles.ParticleTypes;
+import net.minecraft.world.level.GameRules;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
-import net.minecraft.world.level.GameRules;
-import com.minecolonies.core.colony.buildings.modules.WorkerBuildingModule;
 import org.jetbrains.annotations.NotNull;
 
 import static com.minecolonies.api.research.util.ResearchConstants.LEVELING;
@@ -100,12 +100,27 @@ public void addExperience(final double xp)
         final Skill secondary = module.getSecondarySkill();
 
         data.getCitizenSkillHandler().addXpToSkill(primary, localXp, data);
-        data.getCitizenSkillHandler().addXpToSkill(primary.getComplimentary(), localXp / (100.0 / PRIMARY_DEPENDENCY_SHARE), data);
-        data.getCitizenSkillHandler().removeXpFromSkill(primary.getAdverse(), localXp / (100.0 / PRIMARY_DEPENDENCY_SHARE), data);
+        if (primary.getComplimentary() != null)
+        {
+            data.getCitizenSkillHandler().addXpToSkill(primary.getComplimentary(), localXp / (100.0 / PRIMARY_DEPENDENCY_SHARE), data);
+        }
+
+        if (primary.getAdverse() != null)
+        {
+            data.getCitizenSkillHandler().removeXpFromSkill(primary.getAdverse(), localXp / (100.0 / PRIMARY_DEPENDENCY_SHARE), data);
+        }
 
         data.getCitizenSkillHandler().addXpToSkill(secondary, localXp / 2.0, data);
-        data.getCitizenSkillHandler().addXpToSkill(secondary.getComplimentary(), localXp / (100.0 / SECONDARY_DEPENDENCY_SHARE), data);
-        data.getCitizenSkillHandler().removeXpFromSkill(secondary.getAdverse(), localXp / (100.0 / SECONDARY_DEPENDENCY_SHARE), data);
+
+        if (secondary.getComplimentary() != null)
+        {
+            data.getCitizenSkillHandler().addXpToSkill(secondary.getComplimentary(), localXp / (100.0 / SECONDARY_DEPENDENCY_SHARE), data);
+        }
+
+        if (secondary.getAdverse() != null)
+        {
+            data.getCitizenSkillHandler().removeXpFromSkill(secondary.getAdverse(), localXp / (100.0 / SECONDARY_DEPENDENCY_SHARE), data);
+        }
     }
 
     @Override