diff --git a/src/external/MusrRoot/TMusrRunHeader.cpp b/src/external/MusrRoot/TMusrRunHeader.cpp
index daac0476..0dc391e7 100644
--- a/src/external/MusrRoot/TMusrRunHeader.cpp
+++ b/src/external/MusrRoot/TMusrRunHeader.cpp
@@ -31,6 +31,7 @@
 #include <ctime>
 #include <iostream>
 #include <iomanip>
+#include <memory>
 
 #include "TMusrRunHeader.h"
 
@@ -1254,13 +1255,13 @@ void TMusrRunHeader::DumpHeader()
  */
 void TMusrRunHeader::DrawHeader()
 {
-  TPaveText *pt;
-  TCanvas *ca;
+  std::unique_ptr<TPaveText> pt;
+  std::unique_ptr<TCanvas> ca;
 
-  ca = new TCanvas("MusrRoot RunHeader","MusrRoot RunHeader", 147,37,699,527);
+  ca = std::make_unique<TCanvas>("MusrRoot RunHeader","MusrRoot RunHeader", 147,37,699,527);
   ca->Range(0., 0., 100., 100.);
 
-  pt = new TPaveText(10.,10.,90.,90.,"br");
+  pt = std::make_unique<TPaveText>(10.,10.,90.,90.,"br");
   pt->SetFillColor(19);
   pt->SetTextAlign(12);