diff --git a/lesson02/CPP2.private.cpp b/lesson02/CPP2.private.cpp
index dac4a84..e82eb5b 100644
--- a/lesson02/CPP2.private.cpp
+++ b/lesson02/CPP2.private.cpp
@@ -12,7 +12,7 @@ class cow
       if (hunger>10)
         cout<<"MmmmmmmmMMMmmM";
     }
-    int set_hunger (int h)
+    void set_hunger (int h)
     {
       hunger = h; 
     }