diff --git a/code/game/objects/items/tcg/tcg_machines.dm b/code/game/objects/items/tcg/tcg_machines.dm
index 57cd1706224..0c54f41e1e6 100644
--- a/code/game/objects/items/tcg/tcg_machines.dm
+++ b/code/game/objects/items/tcg/tcg_machines.dm
@@ -280,7 +280,7 @@ GLOBAL_LIST_EMPTY(tcgcard_mana_bar_radial_choices)
 	switch(choice)
 		if("Set Mana")
 			input_value = tgui_input_number(user, "Please input total mana", "Set mana", display_panel_ref.gems, display_panel_ref.gem_slots, 0)
-			if(input_value)
+			if(!isnull(input_value))
 				display_panel_ref.gems = input_value
 		if("Set Mana Slots")
 			input_value = tgui_input_number(user, "Please input total mana slots", "Set mana slots", display_panel_ref.gem_slots, 10, 1)
@@ -324,7 +324,7 @@ GLOBAL_LIST_EMPTY(tcgcard_health_bar_radial_choices)
 	switch(choice)
 		if("Set Life")
 			input_value = tgui_input_number(user, "Please input total life", "Set life", display_panel_ref.gems, display_panel_ref.gem_slots, 0)
-			if(input_value)
+			if(!isnull(input_value))
 				display_panel_ref.gems = input_value
 		if("Inflict Damage")
 			display_panel_ref.gems -= tgui_input_number(user, "Please input total damage", "Inflict damage", 1, display_panel_ref.gem_slots, 0)