diff --git a/Assets/Scripts/MapGen/Items/ItemModel.cs b/Assets/Scripts/MapGen/Items/ItemModel.cs
index 1895535cc..31e10d16f 100644
--- a/Assets/Scripts/MapGen/Items/ItemModel.cs
+++ b/Assets/Scripts/MapGen/Items/ItemModel.cs
@@ -96,7 +96,9 @@ public static void UpdateImprovements(GameObject GO, Item itemInput)
                 case ImprovementType.ILLUSTRATION:
                 case ImprovementType.INSTRUMENT_PIECE:
                 default:
+#if UNITY_EDITOR
                     Debug.LogWarning(string.Format("Unhandled improvement {0} on {1}", improvement.type, GO.name));
+#endif
                     break;
             }
         }