diff --git a/src/plugins/simulator/xplane/simulatorxplane.cpp b/src/plugins/simulator/xplane/simulatorxplane.cpp
index 3e53d604a..328bfe2b7 100644
--- a/src/plugins/simulator/xplane/simulatorxplane.cpp
+++ b/src/plugins/simulator/xplane/simulatorxplane.cpp
@@ -552,7 +552,7 @@ namespace BlackSimPlugin
                         parts.setGearDown(true);
                     }
                 }
-                if (situation.getAltitude() < CAltitude(10'000, CLengthUnit::ft()))
+                if (situation.getAltitude() < CAltitude(10000, CLengthUnit::ft()))
                 {
                     parts.setLights({ true, true, true, true, true, true, true, true });
                 }