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-rw-r--r--winsup/cygwin/fhandler_registry.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/fhandler_registry.cc b/winsup/cygwin/fhandler_registry.cc
index f77e85c4d..ce4335fd9 100644
--- a/winsup/cygwin/fhandler_registry.cc
+++ b/winsup/cygwin/fhandler_registry.cc
@@ -85,7 +85,7 @@ static HKEY open_key (const char *name, REGSAM access, DWORD wow64, bool isValue
static inline bool
must_encode (char c)
{
- return (isdirsep (c) || c == '%');
+ return (isdirsep (c) || c == ':' || c == '%');
}
/* Encode special chars in registry key or value name.