diff --git a/linux/boardtest/UartTestClass.cpp b/linux/boardtest/UartTestClass.cpp
index 27e8d02e..88a0895c 100644
--- a/linux/boardtest/UartTestClass.cpp
+++ b/linux/boardtest/UartTestClass.cpp
@@ -217,11 +217,13 @@ void UartTestClass::scexPeriodic() {
           if (helper.getPacketCounter() == 1) {
         	  //countdown starten
         	  finishCountdown.resetTimer();
-            ofstream out("/tmp/scex-fram.bin",
-                         ofstream::binary);  // neues file anlegen wie oben ping
+        	  fileId = gen_random(12);
+        	  fileName = "/tmp/scex-fram_"+fileId+".bin";
+            ofstream out(fileName,
+                         ofstream::binary);  // neues file anlegen
           } else {
-            ofstream out("/tmp/scex-fram.bin",
-                         ofstream::binary | ofstream::app);  // an bestehendes file hinzufügen
+            ofstream out(fileName,
+                         ofstream::binary | ofstream::app);  // an bestehendes file appenden
             out << helper;
           }
 
@@ -370,3 +372,19 @@ void UartTestClass::foundDlePacketHandler(const DleParser::Context& ctx) {
 void UartTestClass::handleFoundDlePacket(uint8_t* packet, size_t len) {
   sif::info << "Detected DLE encoded packet with decoded size " << len << std::endl;
 }
+
+std::string gen_random(const int len) {
+    static const char alphanum[] =
+        "0123456789"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        "abcdefghijklmnopqrstuvwxyz";
+
+    std::string tmp_s;
+    tmp_s.reserve(len);
+
+    for (int i = 0; i < len; ++i) {
+        tmp_s += alphanum[rand() % (sizeof(alphanum) - 1)];
+    }
+
+    return tmp_s;
+}
diff --git a/linux/boardtest/UartTestClass.h b/linux/boardtest/UartTestClass.h
index 28a8b8a7..dad9152e 100644
--- a/linux/boardtest/UartTestClass.h
+++ b/linux/boardtest/UartTestClass.h
@@ -46,7 +46,10 @@ class UartTestClass : public TestTask {
 
   static void foundDlePacketHandler(const DleParser::Context& ctx);
   void handleFoundDlePacket(uint8_t* packet, size_t len);
+  std::string gen_random(const int len);
 
+  std::string fileId = "";
+  std::string fileName = "";
   Countdown finishCountdown = Countdown(180 * 1000);
   bool cmdSent = false;
   bool cmdDone = false;