diff --git a/src/Cockpit/hud.cxx b/src/Cockpit/hud.cxx
index 6f85a9779..9d5f5272b 100644
--- a/src/Cockpit/hud.cxx
+++ b/src/Cockpit/hud.cxx
@@ -393,6 +393,8 @@ readCard(const SGPropertyNode * node)
         load_fn = get_aileronval;
     } else if (loadfn=="elevatorval") {
         load_fn = get_elevatorval;
+    } else if (loadfn=="elevatortrimval") {
+        load_fn = get_elev_trimval;
     } else if (loadfn=="rudderval") {
         load_fn = get_rudderval;
     } else if (loadfn=="throttleval") {