diff --git a/unittest/controller/testAcsController.cpp b/unittest/controller/testAcsController.cpp
index ed5bea7e..8088677d 100644
--- a/unittest/controller/testAcsController.cpp
+++ b/unittest/controller/testAcsController.cpp
@@ -14,16 +14,20 @@ TEST_CASE("ACS Controller", "[AcsController]") {
     //acsCtrl.performOperation();
     CHECK(1 == 1);
 
-    std::ifstream file("unittest/meineTestDaten.txt");
-    std::string line;
-    while(std::getline(file, line)) {
-      std::cout << "ACS CTRL Test test file: " << line << std::endl;
+    {
+      std::ifstream file("unittest/meineTestDaten.txt");
+      std::string line;
+      while(std::getline(file, line)) {
+        std::cout << "ACS CTRL Test test file: " << line << std::endl;
+      }
     }
-    file.close();
 
-    rapidcsv::Document doc("unittest/meineTestDaten.txt");
-    std::vector<int> col = doc.GetColumn<int>("test0");
-    std::cout << "Read " << col.size() << " values: " << col[0] << ", " << col[1] << std::endl;
+    {
+      rapidcsv::Document doc("unittest/meineTestDaten.txt");
+      std::vector<int> col = doc.GetColumn<int>("test0");
+      std::cout << "Read " << col.size() << " values: " << col[0] << ", " << col[1] << std::endl;
+
+    }
 
     REQUIRE(2 == 2);
   }