diff --git a/src/lexer.c b/src/lexer.c
index 9346567..667d69c 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -3736,6 +3736,7 @@ static tmbstr  ParseAttribute( TidyDocImpl* doc, Bool *isempty,
             {
                 /* Not '/>' - put it back */
                 TY_(UngetChar)(c, doc->docIn);
+                c = '/';  /* retore original char */
             }
         }