diff --git a/plugins/fossil/fossilplugin.cpp b/plugins/fossil/fossilplugin.cpp
index 2ae9a1ef256..aa1d464e4ab 100644
--- a/plugins/fossil/fossilplugin.cpp
+++ b/plugins/fossil/fossilplugin.cpp
@@ -1004,8 +1004,7 @@ VcsCommand *FossilPluginPrivate::createInitialCheckoutCommand(const QString &sou
                                                               const QString &localName,
                                                               const QStringList &extraArgs)
 {
-    QMap<QString, QString> options;
-    FossilJsExtension::parseArgOptions(extraArgs, options);
+    const QMap<QString, QString> options = FossilJsExtension::parseArgOptions(extraArgs);
 
     // Two operating modes:
     //  1) CloneCheckout:
diff --git a/plugins/fossil/wizard/fossiljsextension.cpp b/plugins/fossil/wizard/fossiljsextension.cpp
index 2cdf2c27952..dad175dde43 100644
--- a/plugins/fossil/wizard/fossiljsextension.cpp
+++ b/plugins/fossil/wizard/fossiljsextension.cpp
@@ -52,16 +52,16 @@ public:
 };
 
 
-void FossilJsExtension::parseArgOptions(const QStringList &args, QMap<QString, QString> &options)
+QMap<QString, QString> FossilJsExtension::parseArgOptions(const QStringList &args)
 {
-    options.clear();
-
+    QMap<QString, QString> options;
     for (const QString &arg : args) {
         if (arg.isEmpty())
             continue;
         const QStringList opt = arg.split('|', Qt::KeepEmptyParts);
         options.insert(opt[0], opt.size() > 1 ? opt[1] : QString());
     }
+    return options;
 }
 
 FossilJsExtension::FossilJsExtension(FossilSettings *settings) :
diff --git a/plugins/fossil/wizard/fossiljsextension.h b/plugins/fossil/wizard/fossiljsextension.h
index 9e9ff022034..3d04f235434 100644
--- a/plugins/fossil/wizard/fossiljsextension.h
+++ b/plugins/fossil/wizard/fossiljsextension.h
@@ -42,7 +42,7 @@ class FossilJsExtension : public QObject
     Q_OBJECT
 
 public:
-    static void parseArgOptions(const QStringList &args, QMap<QString, QString> &options);
+    static QMap<QString, QString> parseArgOptions(const QStringList &args);
 
     FossilJsExtension(FossilSettings *settings);
     ~FossilJsExtension();