diff --git a/tutorial/solution/ex3/mycompressiblecomponent.hh b/tutorial/solution/ex3/mycompressiblecomponent.hh
index 6f349b541d32dd890585546f5da7a906bc910e78..619bedfb808eac614dda2e85ecb05327061c980c 100644
--- a/tutorial/solution/ex3/mycompressiblecomponent.hh
+++ b/tutorial/solution/ex3/mycompressiblecomponent.hh
@@ -100,7 +100,7 @@ public:
      * \brief Returns true if the liquid phase is assumed to be compressible
      */
     static bool liquidIsCompressible()
-    { return false; }
+    { return true; }
 };
 
 } // end namespace