diff --git a/FL/Fl_Help_View.H b/FL/Fl_Help_View.H
index beb41f0e9..68d04aa9e 100644
--- a/FL/Fl_Help_View.H
+++ b/FL/Fl_Help_View.H
@@ -27,6 +27,12 @@
 #include "Fl_Group.H"
 #include "Fl_Scrollbar.H"
 
+//
+// System and C++ header files
+//
+
+#include <memory>
+
 //
 // Forward declarations and typedefs
 //
diff --git a/src/Fl_Help_View.cxx b/src/Fl_Help_View.cxx
index f8e315af4..2aca88e2e 100644
--- a/src/Fl_Help_View.cxx
+++ b/src/Fl_Help_View.cxx
@@ -46,7 +46,6 @@
 #include <map>
 #include <vector>
 #include <string>
-#include <memory>
 
 //
 // Debugging