diff --git a/source/framework/core/src/TRestRun.cxx b/source/framework/core/src/TRestRun.cxx
index 688656beb..6aee7e41d 100644
--- a/source/framework/core/src/TRestRun.cxx
+++ b/source/framework/core/src/TRestRun.cxx
@@ -41,7 +41,7 @@ TRestRun::TRestRun() { Initialize(); }
 TRestRun::TRestRun(string filename) {
     if (filename.find(".root") == string::npos) {
         Initialize();
-        OpenInputFile(rootfilename);
+        OpenInputFile(filename);
     } else if (filename.find(".rml") == string::npos) {
         Initialize();
         LoadConfigFromFile(filename);