diff --git a/convertRawToAnalyzed/analyse.cpp b/convertRawToAnalyzed/analyse.cpp
index 636bef4f7546cc7a56adaf68e215a2407ee3c342..71c64a7d1e1f89d2fd372cc8e9b790d0842b02e2 100644
--- a/convertRawToAnalyzed/analyse.cpp
+++ b/convertRawToAnalyzed/analyse.cpp
@@ -52,6 +52,10 @@ int main(int argc, char* argv[])
 	}
 
 	TFile *f = new TFile(infiles.Data());
+	if (/*f == 0 || */f->IsZombie()) {
+		Error("convertRawToAnalyzed", "Input file was not opened. Program will be terminated");
+		return 2;
+	}
 	TTree *tr = (TTree*)f->Get("rtree");
 
 	TString bName;
@@ -88,7 +92,7 @@ int main(int argc, char* argv[])
 			wevent[j]->ProcessEvent();	//here all the analysis is going on so far
 		}
 
-		if ( !(i%100) ) { printf("Found event #%d\n", i); }
+		if ( !(i%100) ) { printf("Found event #%lld\n", i); }
 		tw->Fill();
 	}
 
@@ -98,5 +102,5 @@ int main(int argc, char* argv[])
 	tw->Write();
 	fw->Close();
 
-	return 1;
+	return 0;
 }