diff --git a/include/globalconstants.h b/include/globalconstants.h
index 975218f..7606318 100644
--- a/include/globalconstants.h
+++ b/include/globalconstants.h
@@ -12,6 +12,8 @@
 
 namespace GlobalConstants
 {
+    const std::string PROTOCOL_PREFIX = "gogdownloader://";
+
     // Language constants
     const unsigned int LANGUAGE_EN = 1 << 0;
     const unsigned int LANGUAGE_DE = 1 << 1;
diff --git a/src/util.cpp b/src/util.cpp
index 05b41df..7a8f661 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -374,11 +374,10 @@ std::vector<std::string> Util::getDLCNamesFromJSON(const Json::Value &root)
     for (unsigned int i = 0; i < urls.size(); ++i)
     {
         std::string gamename;
-        std::string match_string = "gogdownloader://";
-        if (urls[i].find(match_string) == std::string::npos)
+        if (urls[i].find(GlobalConstants::PROTOCOL_PREFIX) == std::string::npos)
             continue;
 
-        gamename.assign(urls[i].begin()+urls[i].find(match_string)+match_string.length(), urls[i].begin()+urls[i].find_last_of("/"));
+        gamename.assign(urls[i].begin()+urls[i].find(GlobalConstants::PROTOCOL_PREFIX)+GlobalConstants::PROTOCOL_PREFIX.length(), urls[i].begin()+urls[i].find_last_of("/"));
         bool bDuplicate = false;
         for (unsigned int j = 0; j < dlcnames.size(); ++j)
         {