diff --git a/volatility3/framework/plugins/linux/kmsg.py b/volatility3/framework/plugins/linux/kmsg.py
index d66e3b9ca..c1d09aff8 100644
--- a/volatility3/framework/plugins/linux/kmsg.py
+++ b/volatility3/framework/plugins/linux/kmsg.py
@@ -149,7 +149,7 @@ class ABCKmsg(ABC):
         #   This might seem insignificant but it could cause some issues
         #   when compared with userland tool results or when used in
         #   timelines.
-        return f"{nsec / 1000000000:lu}.{(nsec % 1000000000) / 1000:06lu}"
+        return f"{nsec / 1000000000}.{(nsec % 1000000000) / 1000:06}"
 
     def get_timestamp_in_sec_str(self, obj) -> str:
         # obj could be log, printk_log or printk_info
@@ -166,7 +166,7 @@ class ABCKmsg(ABC):
 
     def get_caller_text(self, caller_id):
         caller_name = "CPU" if caller_id & 0x80000000 else "Task"
-        caller = f"{caller_name}({caller_id & ~0x80000000:u})"
+        caller = f"{caller_name}({int(caller_id & ~0x80000000)})"
         return caller
 
     def get_prefix(self, obj) -> Tuple[int, int, str, str]: