diff --git a/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp b/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
index 47e6269e2..c1ba36846 100644
--- a/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
+++ b/src/plugins/simulator/xplane/xswiftbustrafficproxy.cpp
@@ -62,7 +62,7 @@ namespace BlackSimPlugin
             m_dbusInterface->callDBus(QLatin1String("setMaxPlanes"), planes);
         }
 
-        void CXSwiftBusTrafficProxy::setMaxDrawDistance(float nauticalMiles)
+        void CXSwiftBusTrafficProxy::setMaxDrawDistance(double nauticalMiles)
         {
             m_dbusInterface->callDBus(QLatin1String("setMaxDrawDistance"), nauticalMiles);
         }
diff --git a/src/plugins/simulator/xplane/xswiftbustrafficproxy.h b/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
index 04d91d5a9..13351c28e 100644
--- a/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
+++ b/src/plugins/simulator/xplane/xswiftbustrafficproxy.h
@@ -155,7 +155,7 @@ namespace BlackSimPlugin
             void setMaxPlanes(int planes);
 
             //! \copydoc XSwiftBus::CTraffic::setMaxDrawDistance
-            void setMaxDrawDistance(float nauticalMiles);
+            void setMaxDrawDistance(double nauticalMiles);
 
             //! \copydoc XSwiftBus::CTraffic::addPlane
             void addPlane(const QString &callsign, const QString &modelName, const QString &aircraftIcao, const QString &airlineIcao, const QString &livery);