diff --git a/src/util/urlhandler.cpp b/src/util/urlhandler.cpp
--- a/src/util/urlhandler.cpp
+++ b/src/util/urlhandler.cpp
@@ -28,13 +28,24 @@
 
         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 khelpcenter is not installed and it's a KDE application, use docs.kde.org
-                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
+                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 {
             QProcess::startDetached(helpcenter, QStringList(u.toString()));
         }