diff --git a/local/share/check_mk/agents/special/agent_hal9001 b/local/share/check_mk/agents/special/agent_hal9001
index d5f5890..67533bc 100644
--- a/local/share/check_mk/agents/special/agent_hal9001
+++ b/local/share/check_mk/agents/special/agent_hal9001
@@ -98,7 +98,7 @@ def debugLog(function):
         # write output to file
         if debugLogFilename != "":
             try:
-                with open(debugLogFilename, "a") as f:
+                with open(debugLogFilename, "a+") as f:
                     f.write(f"{out1}{out2}{out3}\n")
             except:
                 sys.stderr.write(f"Something went wrong when writing to file {debugLogFilename}\n")
@@ -210,7 +210,7 @@ def calculateNewUserStorage(current_storage: float) -> float:
         return float(new_storage)
 
 #@debugLog
-def calculateNewStorageCounters(ul_bytes: float, dl_bytes: float) -> tuple:
+def calculateNewStorageCounters(ul_bytes: float, dl_bytes: float) -> tuple[float, float]:
     # let the chance that no change occured be at 2%
     no_change = random.randint(1, 100)
     if no_change > 98:
@@ -300,7 +300,7 @@ def doCmkHalStoragesOutput(storages: dict, hostname: str) -> None:
         print(f"{storage};{realname};{new_ul_bytes};{new_dl_bytes}")
 
 #@debugLog
-def getStatus() -> tuple:
+def getStatus() -> tuple[str, str]:
     # randomly set one of the three available states
     status_index = random.randint(1,100)
     if status_index <= 5:
@@ -315,14 +315,14 @@ def getStatus() -> tuple:
     return hal_status, hal_version
 
 #@debugLog
-def doLogin(hostname: str, username: str, password: str) -> tuple:
+def doLogin(hostname: str, username: str, password: str) -> tuple[bool, int]:
     # simulate the login to our HAL system
     # give it a chance of 2% to fail to demonstrate an error from time to time
     success = random.randint(1, 100)
     if success > 2:
         return True, 200
     else:
-        return False, 404
+        return False, 401
     
 def main():
     global debugLogFilename
diff --git a/mkp/hal9001-1.0.7.mkp b/mkp/hal9001-1.0.7.mkp
new file mode 100644
index 0000000..c8fd04a
Binary files /dev/null and b/mkp/hal9001-1.0.7.mkp differ