diff --git a/Plugins/ZShell/qalculator.cpp b/Plugins/ZShell/qalculator.cpp
index dfe4310..7549445 100644
--- a/Plugins/ZShell/qalculator.cpp
+++ b/Plugins/ZShell/qalculator.cpp
@@ -5,9 +5,8 @@
 namespace ZShell {
 
 Qalculator::Qalculator(QObject* parent) : QObject(parent) {
-    int x;
 	if (!CALCULATOR) {
-		new Calculator();
+		calculator = new Calculator();
 		CALCULATOR->loadExchangeRates();
 		CALCULATOR->loadGlobalDefinitions();
 		CALCULATOR->loadLocalDefinitions();