diff --git a/src/Camera/QGCCameraControl.cc b/src/Camera/QGCCameraControl.cc
index 27fb9bd2eca5dd9a974b71af438de2374c4346e7..5823d8ef4c8b20ab041ee3de06b919bdff95a45d 100644
--- a/src/Camera/QGCCameraControl.cc
+++ b/src/Camera/QGCCameraControl.cc
@@ -245,7 +245,7 @@ QGCCameraControl::photoStatus()
 QString
 QGCCameraControl::storageFreeStr()
 {
-    return QGCMapEngine::bigSizeToString(static_cast<quint64>(_storageFree * 1024 * 1024));
+    return QGCMapEngine::bigSizeToString(static_cast<quint64>(_storageFree) * 1024 * 1024);
 }
 
 //-----------------------------------------------------------------------------