diff --git a/ChangeLog b/ChangeLog
index 7a237abf..12285a99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
 28/9/07 started 7.13.1
 - vips2dj can print RGB images
+- oop, include <stdexcept> missing
 
 29/8/07 started 7.13.0
 - we now have a trunk and the version is 7.13.x, woo!
diff --git a/python/vipsCC/VMask.i b/python/vipsCC/VMask.i
index b274f425..ce74b08c 100644
--- a/python/vipsCC/VMask.i
+++ b/python/vipsCC/VMask.i
@@ -3,6 +3,7 @@
 
 %module VMask
 %{
+#include <stdexcept>
 #include <vips/vipscpp.h>
 %}