diff --git a/src/main/java/ru/dbotthepony/mc/otm/block/entity/BlockEntityMatterPanel.java b/src/main/java/ru/dbotthepony/mc/otm/block/entity/BlockEntityMatterPanel.java
index 897ba7271..467fd65d7 100644
--- a/src/main/java/ru/dbotthepony/mc/otm/block/entity/BlockEntityMatterPanel.java
+++ b/src/main/java/ru/dbotthepony/mc/otm/block/entity/BlockEntityMatterPanel.java
@@ -149,6 +149,7 @@ public class BlockEntityMatterPanel extends BlockEntityMattery implements IMatte
 						tasks.put(entry.getKey(), newer);
 						listeners.forEach(menu -> menu.taskUpdated(newer));
 						grid.onMatterTaskUpdated(newer, task);
+						setChanged();
 					}
 
 					return new MatterTaskAllocation(task, get_pattern);
@@ -189,6 +190,8 @@ public class BlockEntityMatterPanel extends BlockEntityMattery implements IMatte
 			listeners.forEach(menu -> menu.taskUpdated(finalGet_task));
 		}
 
+		setChanged();
+
 		return true;
 	}
 
@@ -239,6 +242,7 @@ public class BlockEntityMatterPanel extends BlockEntityMattery implements IMatte
 			grid.onMatterTaskRemoved(task);
 
 		listeners.forEach(menu -> menu.taskRemoved(task));
+		setChanged();
 	}
 
 	public void removeTask(PatternState state) {
@@ -254,6 +258,8 @@ public class BlockEntityMatterPanel extends BlockEntityMattery implements IMatte
 
 		listeners.forEach(menu -> menu.taskUpdated(task));
 
+		setChanged();
+
 		return task;
 	}