diff --git a/src/primaite/simulator/file_system/file_system_file.py b/src/primaite/simulator/file_system/file_system_file.py
index 5f784072..95c824d6 100644
--- a/src/primaite/simulator/file_system/file_system_file.py
+++ b/src/primaite/simulator/file_system/file_system_file.py
@@ -32,7 +32,7 @@ class FileSystemFile(FileSystemItem):
 
         # set random file size if none provided
         if kwargs.get("size") is None:
-            kwargs["size"] = float(randint(1, file_type_sizes_KB[kwargs["file_type"]]))
+            kwargs["size"] = file_type_sizes_KB[kwargs["file_type"]]
 
         super().__init__(**kwargs)