diff --git a/apps/launcher/graphicspage.cpp b/apps/launcher/graphicspage.cpp
index 072f1f36f2..18f744932d 100644
--- a/apps/launcher/graphicspage.cpp
+++ b/apps/launcher/graphicspage.cpp
@@ -1,6 +1,10 @@
 #include "graphicspage.hpp"
 
+#if BOOST_VERSION >= 106500
+#include <boost/integer/common_factor.hpp>
+#else
 #include <boost/math/common_factor.hpp>
+#endif
 #include <csignal>
 #include <QDesktopWidget>
 #include <QMessageBox>
@@ -18,7 +22,11 @@
 
 QString getAspect(int x, int y)
 {
+#if BOOST_VERSION >= 106500
+    int gcd = boost::integer::gcd (x, y);
+#else
     int gcd = boost::math::gcd (x, y);
+#endif
     int xaspect = x / gcd;
     int yaspect = y / gcd;
     // special case: 8 : 5 is usually referred to as 16:10
diff --git a/apps/openmw/mwgui/settingswindow.cpp b/apps/openmw/mwgui/settingswindow.cpp
index c41d43b315..7a46f31899 100644
--- a/apps/openmw/mwgui/settingswindow.cpp
+++ b/apps/openmw/mwgui/settingswindow.cpp
@@ -8,7 +8,11 @@
 #include <MyGUI_TabControl.h>
 
 #include <boost/algorithm/string.hpp>
+#if BOOST_VERSION >= 106500
+#include <boost/integer/common_factor.hpp>
+#else
 #include <boost/math/common_factor.hpp>
+#endif
 
 #include <SDL_video.h>
 
@@ -59,7 +63,11 @@ namespace
 
     std::string getAspect (int x, int y)
     {
+#if BOOST_VERSION >= 106500
+        int gcd = boost::integer::gcd (x, y);
+#else
         int gcd = boost::math::gcd (x, y);
+#endif
         int xaspect = x / gcd;
         int yaspect = y / gcd;
         // special case: 8 : 5 is usually referred to as 16:10