same

sim/detectors/trd/CbmTrdCheckUtil.h

@@ -7,6 +7,7 @@
 
 #include "CbmTrdDigi.h"
 
+#include <FairRootFileSink.h>
 #include <FairRootManager.h>
 
 #include <TFile.h>
@@ -58,8 +59,12 @@ public:
   void DumpPlots()
   {
     TDirectory* oldir = gDirectory;
-    TFile* outFile    = FairRootManager::Instance()->GetOutFile();
-    if (outFile != NULL) {
+    TFile* outFile = nullptr;
+    FairRootFileSink* sink = dynamic_cast<FairRootFileSink*>(FairRootManager::Instance()->GetSink());
+    if (sink) {
+      outFile = sink->GetRootFile();
+    }
+    if (outFile) {
       outFile->cd();
       if (!f1D.empty())
         for (auto const& x : f1D)