diff --git a/FlippR-Driver/cli/main.cpp b/FlippR-Driver/cli/main.cpp
index 82b8acf..ef08244 100644
--- a/FlippR-Driver/cli/main.cpp
+++ b/FlippR-Driver/cli/main.cpp
@@ -24,6 +24,7 @@ int main (int argc, char *argv[])
   if(argc != 3)
   {
     std::cout << "Usage: " << argv[0] << " <input_config_file> <matrix_config_file>";
+    exit(1);
   }
 
   signal(SIGINT, siginthandler);
diff --git a/FlippR-Driver/contrib/Input_Matrix_Config.json b/FlippR-Driver/contrib/Input_Matrix_Config.json
index be59ce7..021ab8e 100644
--- a/FlippR-Driver/contrib/Input_Matrix_Config.json
+++ b/FlippR-Driver/contrib/Input_Matrix_Config.json
@@ -1,6 +1,6 @@
 {
     "input_matrix" :
-    {
+    [
         {
             "name" : "Out hole",
             "address" : 16,
@@ -186,7 +186,6 @@
             "name" : "Rising ball contact",
             "address" : 52,
             "priority" : 2
-        },
-    }
-}
+        }
+    ]
 }
\ No newline at end of file