diff --git a/es-app/src/views/ViewController.cpp b/es-app/src/views/ViewController.cpp
index 69344a436..acff92c09 100644
--- a/es-app/src/views/ViewController.cpp
+++ b/es-app/src/views/ViewController.cpp
@@ -139,11 +139,22 @@ void ViewController::setMenuColors()
 
 void ViewController::legacyAppDataDialog()
 {
-    const std::string upgradeMessage {
+    const std::string upgradeMessage
+    {
         "AS OF ES-DE 3.0 THE APPLICATION DATA DIRECTORY HAS CHANGED FROM \".emulationstation\" "
         "to \"ES-DE\"\nPLEASE RENAME YOUR CURRENT DATA DIRECTORY:\n" +
-        Utils::FileSystem::getAppDataDirectory() + "\nTO THE FOLLOWING:\n" +
-        Utils::FileSystem::getParent(Utils::FileSystem::getAppDataDirectory()) + "/ES-DE"};
+#if defined(_WIN64)
+            Utils::String::replace(Utils::FileSystem::getAppDataDirectory(), "/", "\\") +
+            "\nTO THE FOLLOWING:\n" +
+            Utils::String::replace(
+                Utils::FileSystem::getParent(Utils::FileSystem::getAppDataDirectory()), "/", "\\") +
+            "\\ES-DE"
+    };
+#else
+            Utils::FileSystem::getAppDataDirectory() + "\nTO THE FOLLOWING:\n" +
+            Utils::FileSystem::getParent(Utils::FileSystem::getAppDataDirectory()) + "/ES-DE"
+    };
+#endif
 
     mWindow->pushGui(new GuiMsgBox(
         HelpStyle(), upgradeMessage.c_str(), "OK", [] {}, "", nullptr, "", nullptr, nullptr, true,