diff --git a/dune/tectonic/globalnonlinearity.hh b/dune/tectonic/globalnonlinearity.hh
index 3d118ce0891d47e3fe796db4ca9bbda3196f5d26..c1224d6ef96516c8ed4912b9d2b84fa459d6771b 100644
--- a/dune/tectonic/globalnonlinearity.hh
+++ b/dune/tectonic/globalnonlinearity.hh
@@ -1,7 +1,7 @@
 /* -*- mode:c++; mode:semantic -*- */
 
-#ifndef GLOBAL_NONLINEARITY_HH
-#define GLOBAL_NONLINEARITY_HH
+#ifndef DUNE_TECTONIC_GLOBAL_NONLINEARITY_HH
+#define DUNE_TECTONIC_GLOBAL_NONLINEARITY_HH
 
 //#include <dune/common/bitsetvector.hh>
 #include <dune/common/fvector.hh>
diff --git a/dune/tectonic/localnonlinearity.hh b/dune/tectonic/localnonlinearity.hh
index 6a1554d1c7340e740daac099320a3e30c79e01c6..7c7b3a5cf1ce4d1ce4040b717b6782f723a255ca 100644
--- a/dune/tectonic/localnonlinearity.hh
+++ b/dune/tectonic/localnonlinearity.hh
@@ -1,7 +1,7 @@
 /* -*- mode:c++; mode:semantic -*- */
 
-#ifndef LOCAL_NONLINEARITY_HH
-#define LOCAL_NONLINEARITY_HH
+#ifndef DUNE_TECTONIC_LOCAL_NONLINEARITY_HH
+#define DUNE_TECTONIC_LOCAL_NONLINEARITY_HH
 
 #include <dune/common/fvector.hh>
 #include <dune/common/fmatrix.hh>