diff --git a/modules/modperl/modperl.i b/modules/modperl/modperl.i
index 14242c05..943d2ac1 100644
--- a/modules/modperl/modperl.i
+++ b/modules/modperl/modperl.i
@@ -36,6 +36,10 @@
 #define stat struct stat
 %}
 
+%begin %{
+#include "zncconfig.h"
+%}
+
 %include <typemaps.i>
 %include <stl.i>
 %include <std_list.i>
diff --git a/modules/modpython/modpython.i b/modules/modpython/modpython.i
index cb65dd82..c663f1e9 100644
--- a/modules/modpython/modpython.i
+++ b/modules/modpython/modpython.i
@@ -42,6 +42,10 @@ public:
 using std::allocator;
 %}
 
+%begin %{
+#include "zncconfig.h"
+%}
+
 %include <pyabc.i>
 %include <typemaps.i>
 %include <stl.i>