diff --git a/tutorial/tutorialspatialparameters_coupled.hh b/tutorial/tutorialspatialparameters_coupled.hh
index 716537b3b6755c50b8c4296e8823723fd0f8194a..952a167bdfb087f6c00a35886d633393c289b8b8 100644
--- a/tutorial/tutorialspatialparameters_coupled.hh
+++ b/tutorial/tutorialspatialparameters_coupled.hh
@@ -113,7 +113,7 @@ public:
 
         //parameters of Brooks & Corey Law
         materialParams_.setPe(500.0);
-        materialParams_.setAlpha(2);
+        materialParams_.setLambda(2);
     }
 
 private: