diff --git a/include/maddy/emphasizedparser.h b/include/maddy/emphasizedparser.h
index 56d43dc..6838d83 100644
--- a/include/maddy/emphasizedparser.h
+++ b/include/maddy/emphasizedparser.h
@@ -41,7 +41,7 @@ public:
   void
   Parse(std::string& line) override
   {
-    static std::regex re("(?!.*`.*|.*<code>.*)\\_(?!.*`.*|.*<\\/code>.*)([^\\_]*)\\_(?!.*`.*|.*<\\/code>.*)");
+    static std::regex re("(?!.*`.*|.*<code>.*)_(?!.*`.*|.*<\\/code>.*)([^_]*)_(?!.*`.*|.*<\\/code>.*)");
     static std::string replacement = "<em>$1</em>";
 
     line = std::regex_replace(line, re, replacement);