diff --git a/src/windows-emulator/syscalls/file.cpp b/src/windows-emulator/syscalls/file.cpp
index 49fece70..62fd7ff7 100644
--- a/src/windows-emulator/syscalls/file.cpp
+++ b/src/windows-emulator/syscalls/file.cpp
@@ -221,7 +221,7 @@ namespace syscalls
 
             files.emplace_back(file_entry{
                 .file_path = file.path().filename(),
-                .file_size = file.file_size(),
+                .file_size = file.is_directory() ? 0 : file.file_size(),
                 .is_directory = file.is_directory(),
             });
         }
@@ -242,7 +242,7 @@ namespace syscalls
 
             files.emplace_back(file_entry{
                 .file_path = filename,
-                .file_size = dir_entry.file_size(),
+                .file_size = dir_entry.is_directory() ? 0 : dir_entry.file_size(),
                 .is_directory = dir_entry.is_directory(),
             });
         });