diff --git a/src/util/urlhandler.cpp b/src/util/urlhandler.cpp
--- a/src/util/urlhandler.cpp
+++ b/src/util/urlhandler.cpp
@@ -21,34 +21,38 @@
 public Q_SLOTS:
     void openHelp(const QUrl &url)
     {
+        const QString appName = QCoreApplication::applicationName();
+
         QUrl u(url);
         if (u.path() == QLatin1Char('/')) {
-            u.setPath(QCoreApplication::applicationName());
+            u.setPath(appName);
         }
 
         const QString helpcenter = QStandardPaths::findExecutable(QStringLiteral("khelpcenter"));
-        if (helpcenter.isEmpty()) {
-            //if khelpcenter is not installed and it's a KDE application, use docs.kde.org
-            if (QCoreApplication::organizationDomain() == QLatin1String("kde.org")) {
-                if (QCoreApplication::applicationName() == QLatin1String("systemsettings")
-                    && url.path().startsWith(QLatin1String("/kcontrol"))) {
-                    // special case for kcm modules
-                    // e.g. "help:/kcontrol/fonts/index.html" >>> "&application=kcontorl/fonts"
-                    const QUrl httpUrl(QStringLiteral("https://docs.kde.org/index.php?branch=stable5&language=")
-                                       + QLocale().name() + QLatin1String("&application=")
-                                       + url.path().remove(0, 1).remove(QLatin1String("/index.html")));
-                    QDesktopServices::openUrl(httpUrl);
-                } else {
-                    const QUrl httpUrl(QLatin1String("https://docs.kde.org/index.php?branch=stable5&language=")+QLocale().name()+QLatin1String("&application=") +
-                        QCoreApplication::applicationName() + QStringLiteral("&path=") + url.path());
-                    QDesktopServices::openUrl(httpUrl);
-                }
-            } else {
-                QDesktopServices::openUrl(u);
-            }
-        } else {
+        if (!helpcenter.isEmpty()) { // use khelpcenter if it is available
             QProcess::startDetached(helpcenter, QStringList(u.toString()));
+            return;
+        }
+
+        //if khelpcenter is not available and it's a KDE application, use docs.kde.org
+        if (QCoreApplication::organizationDomain() == QLatin1String("kde.org")) {
+            QString path = url.path();
+            QString docPath;
+            if (appName == QLatin1String("systemsettings") && path.startsWith(QLatin1String("/kcontrol"))) {
+                // special case for kcm modules
+                // e.g. "help:/kcontrol/fonts/index.html" >>> "&application=kcontorl/fonts"
+                docPath = path.remove(0, 1).remove(QLatin1String("/index.html"));
+            } else { //e.g. "help:/okular", "help:/systemsettings"
+                docPath = appName + QStringLiteral("&path=") + path;
+            }
+            const QUrl httpUrl(QLatin1String("https://docs.kde.org/index.php?branch=stable5&language=")
+                               + QLocale().name() + QLatin1String("&application=") + docPath);
+            QDesktopServices::openUrl(httpUrl);
+            return;
         }
+
+        // not a KDE application
+        QDesktopServices::openUrl(u);
     }
 };