diff --git a/source/framework/core/src/TRestRun.cxx b/source/framework/core/src/TRestRun.cxx
index af011ab61..b6596ac3d 100644
--- a/source/framework/core/src/TRestRun.cxx
+++ b/source/framework/core/src/TRestRun.cxx
@@ -1184,7 +1184,8 @@ void TRestRun::CloseFile() {
             }
         }
     }
-
+    delete fInputEvent;
+    fInputEvent = nullptr;
     if (fOutputFile != nullptr) {
         fOutputFile->Write(0, TObject::kOverwrite);
         fOutputFile->Close();