diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatterPanelScreen.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatterPanelScreen.kt
index 92ed34b69..bacdf2cac 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatterPanelScreen.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatterPanelScreen.kt
@@ -125,7 +125,7 @@ class MatterPanelScreen(
 			}
 
 			override fun getItemStack(): ItemStack {
-				return menu.tasks.firstOrNull { it.id == task.id }?.let { it.stack((it.required + it.inProgress).coerceAtLeast(1)) } ?: task.stack(task.required.coerceAtLeast(1))
+				return menu.tasks.firstOrNull { it.id == task.id }?.let { it.stack((it.required + it.inProgress).coerceAtLeast(1)) } ?: task.stack((task.required + task.inProgress).coerceAtLeast(1))
 			}
 
 			override fun tick() {