diff --git a/src/pefile.cpp b/src/pefile.cpp
index 78700ff1..b2db65a4 100644
--- a/src/pefile.cpp
+++ b/src/pefile.cpp
@@ -39,7 +39,6 @@
 //
 **************************************************************************/
 
-#include "util/bptr.h"
 #if (WITH_SPAN >= 2) && 1
 //#define IPTR(type, var)             Span<type> var(ibuf, ibuf.getSize(), ibuf)
 //#define OPTR(type, var)             Span<type> var(obuf, obuf.getSize(), obuf)
@@ -49,6 +48,7 @@
 #define IPTR_C(type, var, first)    const Span<type> var(first, ibuf)
 #define OPTR_C(type, var, first)    const Span<type> var(first, obuf)
 #else
+#include "util/bptr.h"
 //#define IPTR(type, var)             BoundedPtr<type> var(ibuf, ibuf.getSize())
 //#define OPTR(type, var)             BoundedPtr<type> var(obuf, obuf.getSize())
 #define IPTR_I_D(type, var, disp)   BoundedPtr<type> var(ibuf + (disp), ibuf.getSize() - (disp), ibuf + (disp))
diff --git a/src/util/bptr.h b/src/util/bptr.h
index 0a3faace..4a4288ab 100644
--- a/src/util/bptr.h
+++ b/src/util/bptr.h
@@ -29,9 +29,10 @@
 #ifndef UPX_BPTR_H__
 #define UPX_BPTR_H__ 1
 
+#error "this file is deprecated, please use xspan.h instead"
+
 /*************************************************************************
 // BoundedPtr
-// (deprecated, use xspan.h instead)
 **************************************************************************/
 
 template <class T>