Index: src/lxqtplatformtheme.cpp
--- src/lxqtplatformtheme.cpp.orig
+++ src/lxqtplatformtheme.cpp
@@ -498,7 +498,7 @@ QStringList LXQtPlatformTheme::xdgIconThemePaths() con
 
     QString xdgDataDirs = QFile::decodeName(qgetenv("XDG_DATA_DIRS"));
     if (xdgDataDirs.isEmpty())
-        xdgDataDirs = QLatin1String("/usr/local/share/:/usr/share/");
+        xdgDataDirs = QLatin1String("${LOCALBASE}/share/:/usr/share/");
     xdgDirs.append(xdgDataDirs);
 
     for (const auto &s: xdgDirs) {