diff --git a/Assets/Scripts/Ally/Blacksmith.cs b/Assets/Scripts/Ally/Blacksmith.cs
index 4fb6a9f..35ea4f7 100644
--- a/Assets/Scripts/Ally/Blacksmith.cs
+++ b/Assets/Scripts/Ally/Blacksmith.cs
@@ -2,5 +2,5 @@
 
 public class Blacksmith : ProductionBuilding
 {
-    protected override Enum.ResourceNodeType RessourceNodeType { get { return Enum.ResourceNodeType.Rock; } }
+    protected override Enum.ResourceNodeType[] RessourceNodeType { get { return new Enum.ResourceNodeType[] { Enum.ResourceNodeType.Rock }; } }
 }
\ No newline at end of file
diff --git a/Assets/Scripts/Ally/CorruptedFactory.cs b/Assets/Scripts/Ally/CorruptedFactory.cs
index 65d9d37..bf328a9 100644
--- a/Assets/Scripts/Ally/CorruptedFactory.cs
+++ b/Assets/Scripts/Ally/CorruptedFactory.cs
@@ -3,5 +3,5 @@
 public class CorruptedFactory : ProductionBuilding
 {
     //TODO: Si ceci détermine la resource produite, modifier pour que ce soit un tableau des trois différent types de resources.
-    protected override Enum.ResourceNodeType RessourceNodeType { get { return Enum.ResourceNodeType.Forest; } }
+    protected override Enum.ResourceNodeType[] RessourceNodeType { get { return new Enum.ResourceNodeType [] { Enum.ResourceNodeType.Forest, Enum.ResourceNodeType.Rock, Enum.ResourceNodeType.BerryBush}; } }
 }
\ No newline at end of file
diff --git a/Assets/Scripts/Ally/Mill.cs b/Assets/Scripts/Ally/Mill.cs
index 2eab4e0..12ac468 100644
--- a/Assets/Scripts/Ally/Mill.cs
+++ b/Assets/Scripts/Ally/Mill.cs
@@ -2,5 +2,5 @@
 
 public class Mill : ProductionBuilding
 {
-    protected override Enum.ResourceNodeType RessourceNodeType { get { return Enum.ResourceNodeType.BerryBush; } }
+    protected override Enum.ResourceNodeType[] RessourceNodeType { get { return new Enum.ResourceNodeType[] { Enum.ResourceNodeType.BerryBush }; } }
 }
\ No newline at end of file
diff --git a/Assets/Scripts/Ally/ProductionBuilding.cs b/Assets/Scripts/Ally/ProductionBuilding.cs
index 14f040f..74733df 100644
--- a/Assets/Scripts/Ally/ProductionBuilding.cs
+++ b/Assets/Scripts/Ally/ProductionBuilding.cs
@@ -8,7 +8,7 @@ public abstract class ProductionBuilding : House
     private float _multiplier;
 
     public override float PopulationGiven => GlobalConfig.Instance.Current.populationGivenPerHouseUpgrade;
-    protected abstract Enum.ResourceNodeType RessourceNodeType { get; }
+    protected abstract Enum.ResourceNodeType[] RessourceNodeType { get; }
     public int Range { get => _range; set => _range = value; }
 
     private Vector3 _position;
@@ -42,10 +42,20 @@ public abstract class ProductionBuilding : House
                 if (tile == default) continue;
 
                 var checkResourceType = tile.ResourceNodeType;
-                if (checkResourceType != RessourceNodeType) continue;
+                if (!isValidResourceType(tile.ResourceNodeType)) continue;
 
                 tile.YieldSpeedMultiplier *= multiplier;
             }
         }
     }
+
+    private bool isValidResourceType (Enum.ResourceNodeType tileRessourceType)
+    {
+        for(int i = 0; i < RessourceNodeType.Length; i++)
+        {
+            if (tileRessourceType == RessourceNodeType[i]) return true;
+        }
+
+        return false;
+    }
 }
\ No newline at end of file
diff --git a/Assets/Scripts/Ally/Workshop.cs b/Assets/Scripts/Ally/Workshop.cs
index 6cb82cd..6954220 100644
--- a/Assets/Scripts/Ally/Workshop.cs
+++ b/Assets/Scripts/Ally/Workshop.cs
@@ -2,5 +2,5 @@
 
 public class Workshop : ProductionBuilding
 {
-    protected override Enum.ResourceNodeType RessourceNodeType { get { return Enum.ResourceNodeType.Forest; } }
+    protected override Enum.ResourceNodeType[] RessourceNodeType { get { return new Enum.ResourceNodeType[] { Enum.ResourceNodeType.Forest }; } }
 }
\ No newline at end of file