diff --git a/components/compiler/extensions0.cpp b/components/compiler/extensions0.cpp
index de1a2cf29..e95f6f698 100644
--- a/components/compiler/extensions0.cpp
+++ b/components/compiler/extensions0.cpp
@@ -66,6 +66,7 @@ namespace Compiler
             extensions.registerFunction ("getflee", 'l', "", opcodeGetFlee, opcodeGetFleeExplicit);
             extensions.registerFunction ("getalarm", 'l', "", opcodeGetAlarm, opcodeGetAlarmExplicit);
             extensions.registerFunction ("getlineofsight", 'l', "c", opcodeGetLineOfSight, opcodeGetLineOfSightExplicit);
+            extensions.registerFunction ("getlos", 'l', "c", opcodeGetLineOfSight, opcodeGetLineOfSightExplicit);
         }
     }