diff --git a/dune/tectonic/globalnonlinearity.hh b/dune/tectonic/globalnonlinearity.hh
index 6601f40d245729a85744be052838cbe07c9e78d6..e3d7ab7afb8ddd67a27ba62ba92b317bebec6a38 100644
--- a/dune/tectonic/globalnonlinearity.hh
+++ b/dune/tectonic/globalnonlinearity.hh
@@ -1,6 +1,7 @@
 #ifndef DUNE_TECTONIC_GLOBAL_NONLINEARITY_HH
 #define DUNE_TECTONIC_GLOBAL_NONLINEARITY_HH
 
+#include <dune/common/fmatrix.hh>
 #include <dune/common/fvector.hh>
 #include <dune/common/shared_ptr.hh>
 #include <dune/istl/bvector.hh>