diff --git a/core/helper.cpp b/core/helper.cpp
index a2dcc9c..48f6285 100644
--- a/core/helper.cpp
+++ b/core/helper.cpp
@@ -1,6 +1,7 @@
 #include "helper.h"
 #include "define.h"
 
+#ifndef _WIN32
 const QMap<QString, QString> Helper::m_numMap{
     {"+", "1"},
     {"ě", "2"},
@@ -13,6 +14,7 @@ const QMap<QString, QString> Helper::m_numMap{
     {"í", "9"},
     {"é", "0"}
 };
+#endif
 
 Helper::Helper()
 {
@@ -22,6 +24,20 @@ QString Helper::replaceByNumbers(const QString &str)
 {
     QString ret;
 
+#ifdef _WIN32
+    QMap<QString, QString> m_numMap;
+    m_numMap["+"] = "1";
+    m_numMap["ě"] = "2";
+    m_numMap["š"] = "3";
+    m_numMap["č"] = "4";
+    m_numMap["ř"] = "5";
+    m_numMap["ž"] = "6";
+    m_numMap["ý"] = "7";
+    m_numMap["á"] = "8";
+    m_numMap["í"] = "9";
+    m_numMap["é"] = "0";
+#endif
+
     std::for_each(ALL(str), [&](QChar c){
         QString replaced = m_numMap[c];
 
diff --git a/core/helper.h b/core/helper.h
index cd8d28b..51f5c83 100644
--- a/core/helper.h
+++ b/core/helper.h
@@ -4,7 +4,9 @@
 #include <QString>
 #include <QMap>
 
-class Helper
+#include "core_global.h"
+
+class CORESHARED_EXPORT Helper
 {
 public:
     Helper();
@@ -12,7 +14,9 @@ public:
     static QString replaceByNumbers(const QString &str);
 
 private:
+#ifndef _WIN32
     static const QMap<QString, QString> m_numMap;
+#endif
 };
 
 #endif // HELPER_H
diff --git a/core/idashboardwidget.h b/core/idashboardwidget.h
index ead363f..9cb3f61 100644
--- a/core/idashboardwidget.h
+++ b/core/idashboardwidget.h
@@ -1,7 +1,9 @@
 #ifndef IDASHBOARDWIDGET_H
 #define IDASHBOARDWIDGET_H
 
-class IDashboardWidget
+#include "core_global.h"
+
+class CORESHARED_EXPORT IDashboardWidget
 {
 public:
     virtual void refresh() = 0;
diff --git a/shop/shopservice.cpp b/shop/shopservice.cpp
index 17852e5..74feb82 100644
--- a/shop/shopservice.cpp
+++ b/shop/shopservice.cpp
@@ -10,6 +10,10 @@
 #include <seasonservice.h>
 #include <math.h>
 
+#ifdef _WIN32
+inline double round(double value) { return value < 0 ? -std::floor(0.5 - value) : std::floor(0.5 + value); }
+#endif
+
 ShopService::ShopService()
 {
 }