diff --git a/src/libqof/qof/gnc-int128.cpp b/src/libqof/qof/gnc-int128.cpp
index 3b9997c9ff..0bcdc5fc22 100644
--- a/src/libqof/qof/gnc-int128.cpp
+++ b/src/libqof/qof/gnc-int128.cpp
@@ -24,7 +24,6 @@
 extern "C"
 {
 #include "config.h"
-#include <inttypes.h>
 }
 
 #include "gnc-int128.hpp"
@@ -920,4 +919,3 @@ operator>> (GncInt128 a, uint b) noexcept
     a >>= b;
     return a;
 }
-
diff --git a/src/libqof/qof/gnc-int128.hpp b/src/libqof/qof/gnc-int128.hpp
index efbfdba3bd..0cfab84103 100644
--- a/src/libqof/qof/gnc-int128.hpp
+++ b/src/libqof/qof/gnc-int128.hpp
@@ -25,7 +25,13 @@
 #ifndef GNCINT128_H
 #define GNCINT128_H
 
-#include <stdint.h>
+extern "C"
+{
+#define  __STDC_LIMIT_MACROS 1
+#define  __STDC_CONSTANT_MACROS 1
+#define  __STDC_FORMAT_MACROS 1
+#include <inttypes.h>
+}
 
 #include <stdexcept>
 #include <string>
@@ -248,7 +254,6 @@ GncInt128 gcd (int64_t a, int64_t b);
 /** Compute the least common multiple of two integers
  */
 GncInt128 lcm (int64_t a, int64_t b);
-
 #endif //GNCINT128_H
 
 /** @} */