diff --git a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreen.kt b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreen.kt
index ba8833f..249a04e 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreen.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreen.kt
@@ -171,7 +171,7 @@ abstract class AbstractTerminalScreen<BE: AbstractTerminalBlockEntity, T: Abstra
 	override fun onMouseClick(slot: Slot?, invSlot: Int, clickData: Int, type: SlotActionType?) {
 		super.onMouseClick(slot, invSlot, clickData, type)
 
-		if (slot != null && !slot.stack.isEmpty && handler.isNetworkSlot(slot.id)) {
+		if (slot != null && !slot.stack.isEmpty && handler.isNetworkSlot(slot.id) && playerInventory.cursorStack.isEmpty) {
 			val stack = slot.stack
 
 			if (type == SlotActionType.QUICK_MOVE) {