diff --git a/dumux/linear/istlsolverfactorybackend.hh b/dumux/linear/istlsolverfactorybackend.hh
index e65860c0045fdc044ae73f6c654434b4305743cd..71ab33b3f47cf8abb064c5c7cab282695d36d6f3 100644
--- a/dumux/linear/istlsolverfactorybackend.hh
+++ b/dumux/linear/istlsolverfactorybackend.hh
@@ -45,6 +45,7 @@
 #include <dumux/common/typetraits/matrix.hh>
 #include <dumux/linear/solver.hh>
 #include <dumux/linear/parallelhelpers.hh>
+#include <dumux/linear/istlsolverregistry.hh>
 
 namespace Dumux {