diff --git a/components/compiler/extensions0.cpp b/components/compiler/extensions0.cpp
index 24578b238c..f23d2d86ed 100644
--- a/components/compiler/extensions0.cpp
+++ b/components/compiler/extensions0.cpp
@@ -33,7 +33,7 @@ namespace Compiler
         {
             extensions.registerInstruction ("aiactivate", "c/l", opcodeAIActivate,
                 opcodeAIActivateExplicit);
-            extensions.registerInstruction ("aitravel", "fff/zx", opcodeAiTravel,
+            extensions.registerInstruction ("aitravel", "fff/lx", opcodeAiTravel,
                 opcodeAiTravelExplicit);
             extensions.registerInstruction ("aiescort", "cffff/l", opcodeAiEscort,
                 opcodeAiEscortExplicit);