diff --git a/src/Network/atc610x.cxx b/src/Network/atc610x.cxx
index 5720972fb..cf592db73 100644
--- a/src/Network/atc610x.cxx
+++ b/src/Network/atc610x.cxx
@@ -1767,8 +1767,16 @@ bool FGATC610x::do_switches() {
     update_switch_matrix( board, switch_data, switch_matrix );
 
     // master switches
-    fgSetBool( "/controls/switches/master-bat", switch_matrix[board][5][1] );
-    fgSetBool( "/controls/switches/master-alt", switch_matrix[board][4][1] );
+    fgSetBool( "/controls/engines/engine[0]/master-bat",
+               switch_matrix[board][5][1] );
+    fgSetBool( "/controls/engines/engine[1]/master-bat",
+               switch_matrix[board][5][1] );
+
+    fgSetBool( "/controls/engines/engine[0]/master-alt",
+               switch_matrix[board][4][1] );
+    fgSetBool( "/controls/engines/engine[1]/master-alt",
+               switch_matrix[board][4][1] );
+
     fgSetBool( "/controls/switches/master-avionics",
                switch_matrix[board][0][3] );