diff --git a/dram/src/simulation/StlPlayer.h b/dram/src/simulation/StlPlayer.h
index 46aecb33..2bab13e9 100644
--- a/dram/src/simulation/StlPlayer.h
+++ b/dram/src/simulation/StlPlayer.h
@@ -32,7 +32,7 @@ public:
         std::istringstream iss(line);
         string time, command, address;
         iss >> time >> command >> address;
-        long parsedAdress = std::stoi(address.c_str(), 0, 16);
+        unsigned long long parsedAdress = std::stoull(address.c_str(), 0, 16);
 
         gp* payload = this->allocatePayload();
         unsigned char * dataElement = new unsigned char[16]; // TODO: column / burst breite
@@ -75,7 +75,7 @@ public:
                             (string("Corrupted tracefile, command ") + command + string(" unknown")).c_str());
         }
 
-        sc_time sendingTime = std::stoi(time.c_str())*clk;
+        sc_time sendingTime = std::stoull(time.c_str())*clk;
 
         if (sendingTime <= sc_time_stamp())
         {