diff --git a/src/emulator.cpp b/src/emulator.cpp
index c73ae3f38..a072a6c29 100644
--- a/src/emulator.cpp
+++ b/src/emulator.cpp
@@ -227,6 +227,10 @@ void Emulator::Run(const std::filesystem::path& file, const std::vector<std::str
     const auto& mount_temp_dir = Common::FS::GetUserPath(Common::FS::PathType::TempDataDir) / id;
     if (!std::filesystem::exists(mount_temp_dir)) {
         std::filesystem::create_directory(mount_temp_dir);
+    } else {
+        // Temportary directory should be cleared on each boot.
+        std::filesystem::remove_all(mount_temp_dir);
+        std::filesystem::create_directory(mount_temp_dir);
     }
     mnt->Mount(mount_temp_dir, "/temp0"); // called in app_content ==> stat/mkdir
     mnt->Mount(mount_temp_dir, "/temp");