diff --git a/gluon/contrib/markmin/markmin2html.py b/gluon/contrib/markmin/markmin2html.py
index 9492a6ca..af27404e 100755
--- a/gluon/contrib/markmin/markmin2html.py
+++ b/gluon/contrib/markmin/markmin2html.py
@@ -544,7 +544,7 @@ regex_code = re.compile(
     '(' + META + '|' + DISABLED_META + r'|````)|(``(?P<t>.+?)``(?::(?P<c>[a-zA-Z][_a-zA-Z\-\d]*)(?:\[(?P<p>[^\]]*)\])?)?)',
     re.S)
 regex_strong = re.compile(r'\*\*(?P<t>[^\s*]+( +[^\s*]+)*)\*\*')
-regex_del = re.compile(r'~~(?P<t>[^\s*]+( +[^\s*]+)*)~~')
+regex_del = re.compile(r'~~(?P<t>[^\s~]+( +[^\s~]+)*)~~')
 regex_em = re.compile(r"''(?P<t>([^\s']| |'(?!'))+)''")
 regex_num = re.compile(r"^\s*[+-]?((\d+(\.\d*)?)|\.\d+)([eE][+-]?[0-9]+)?\s*$")
 regex_list = re.compile('^(?:(?:(#{1,6})|(?:(\.+|\++|\-+)(\.)?))\s*)?(.*)$')