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Diffstat (limited to 'src/lib/formats/fs_coco_os9.cpp')
-rw-r--r--src/lib/formats/fs_coco_os9.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/formats/fs_coco_os9.cpp b/src/lib/formats/fs_coco_os9.cpp
index f72ae772f8f..f94ff290799 100644
--- a/src/lib/formats/fs_coco_os9.cpp
+++ b/src/lib/formats/fs_coco_os9.cpp
@@ -651,7 +651,7 @@ bool coco_os9_impl::validate_filename(std::string_view name)
{
return !is_ignored_filename(name)
&& name.size() <= 29
- && std::find_if(name.begin(), name.end(), [](const char ch) { return ch == '\0' || ch == '/' || ch >= 0x80; }) == name.end();
+ && std::find_if(name.begin(), name.end(), [](const char ch) { return ch == '\0' || ch == '/' || (ch & 0x80); }) == name.end();
}