diff --git a/appl/conjugateheattransfer/monolithic/problem_freeflow.hh b/appl/conjugateheattransfer/monolithic/problem_freeflow.hh
index d99ed6a571c3de671e3c169012be5aaf43aef302..e2f47621f665df2645fd86facac1af93b17da4ca 100644
--- a/appl/conjugateheattransfer/monolithic/problem_freeflow.hh
+++ b/appl/conjugateheattransfer/monolithic/problem_freeflow.hh
@@ -26,7 +26,7 @@
 #define DUMUX_FREEFLOW_SUBPROBLEM_HH
 
 #ifndef ENABLEMONOLITHIC
-#define ENABLEMONOLITHIC 0
+#define ENABLEMONOLITHIC 1
 #endif
 
 #include <dune/grid/yaspgrid.hh>
diff --git a/appl/conjugateheattransfer/monolithic/problem_heat.hh b/appl/conjugateheattransfer/monolithic/problem_heat.hh
index 23849f9eab322e9ad093234dcd8889855a0d8302..4ab9f04bbbf838ede7a9d7ec37e5460c565889b0 100644
--- a/appl/conjugateheattransfer/monolithic/problem_heat.hh
+++ b/appl/conjugateheattransfer/monolithic/problem_heat.hh
@@ -26,7 +26,7 @@
 #define DUMUX_HEAT_SUBPROBLEM_HH
 
 #ifndef ENABLEMONOLITHIC
-#define ENABLEMONOLITHIC 0
+#define ENABLEMONOLITHIC 1
 #endif
 
 #include <dune/grid/yaspgrid.hh>