diff --git a/modules/mol/alg/pymod/export_svd_superpose.cc b/modules/mol/alg/pymod/export_svd_superpose.cc
index 9c4087021f959a7906384d77dda7e6ca9a104541..1969b603fc6147adc39baa3269aae0d20be2b14a 100644
--- a/modules/mol/alg/pymod/export_svd_superpose.cc
+++ b/modules/mol/alg/pymod/export_svd_superpose.cc
@@ -21,6 +21,7 @@
  * Author Juergen Haas
  */
 #include <boost/python.hpp>
+#include <Eigen/StdVector>
 
 #include <ost/geom/mat4.hh>
 #include <ost/mol/alg/svd_superpose.hh>