diff --git a/src/gamestate/system_state.cpp b/src/gamestate/system_state.cpp
index b35e60eb7..47bc72acf 100644
--- a/src/gamestate/system_state.cpp
+++ b/src/gamestate/system_state.cpp
@@ -232,7 +232,7 @@ void state::on_key_down(virtual_key keycode, key_modifiers mod) {
 }
 
 void state::on_key_up(virtual_key keycode, key_modifiers mod) {
-	if(keycode == virtual_key::CONTROL)
+	if(keycode == virtual_key::CONTROL || keycode == virtual_key::LCONTROL || keycode == virtual_key::RCONTROL)
 		ui_state.ctrl_held_down = false;
 	if(keycode == virtual_key::SHIFT || keycode == virtual_key::LSHIFT || keycode == virtual_key::RSHIFT)
 		ui_state.shift_held_down = false;