diff --git a/tutorial/ex1/CMakeLists.txt b/tutorial/ex1/CMakeLists.txt
index 8f7d6e6d612bb4367ac59616ff6b528303ed2a8b..b23435c8861cd8d2ab517f68cceb03f37faffac4 100644
--- a/tutorial/ex1/CMakeLists.txt
+++ b/tutorial/ex1/CMakeLists.txt
@@ -1,10 +1,12 @@
 # the immiscible two-phase simulation program
 dune_add_test(NAME exercise1_2p
-              SOURCES exercise1_2p.cc)
+              SOURCES exercise1_2p.cc
+              COMMAND ./exercise1_2p exercise1.input)
 
 # the compositional two-phase simulation program
 dune_add_test(NAME exercise1_2p2c
-              SOURCES exercise1_2p2c.cc)
+              SOURCES exercise1_2p2c.cc
+              COMMAND ./exercise1_2p2c exercise1.input)
 
 # add a symlink for the input file
 dune_symlink_to_source_files(FILES "exercise1.input")
diff --git a/tutorial/ex1/README.md b/tutorial/ex1/README.md
index cac3a86d71033a1df6c68b182a58eafef942a2cd..4b112829581fda1a1967270c2f72b8c29123893a 100644
--- a/tutorial/ex1/README.md
+++ b/tutorial/ex1/README.md
@@ -104,7 +104,7 @@ in the `injection2p2cproblem.hh` file and also remember to also set the paramete
 
 * Check the influence of that parameter on the simulation result by rerunning the simulation with different injection rates. Remember to also set the parameter totalAreaSpecificInflow in the input file.
 
-Again, you don't need to recompile the program.
+Since you have changed your header hile, you have to recompile the program.
 
 <hr><br><br>
 ### 5. Setting up a new executable (for a non-isothermal simulation)