diff --git a/src/kconfig_compiler/kconfig_compiler.cpp b/src/kconfig_compiler/kconfig_compiler.cpp
--- a/src/kconfig_compiler/kconfig_compiler.cpp
+++ b/src/kconfig_compiler/kconfig_compiler.cpp
@@ -1012,52 +1012,38 @@
 QString param(const QString &t)
 {
     const QString type = t.toLower();
-    if (type == QLatin1String("string")) {
-        return QStringLiteral("const QString &");
-    } else if (type == QLatin1String("stringlist")) {
-        return QStringLiteral("const QStringList &");
-    } else if (type == QLatin1String("font")) {
-        return QStringLiteral("const QFont &");
-    } else if (type == QLatin1String("rect")) {
-        return QStringLiteral("const QRect &");
-    } else if (type == QLatin1String("size")) {
-        return QStringLiteral("const QSize &");
-    } else if (type == QLatin1String("color")) {
-        return QStringLiteral("const QColor &");
-    } else if (type == QLatin1String("point")) {
-        return QStringLiteral("const QPoint &");
-    } else if (type == QLatin1String("int")) {
-        return QStringLiteral("int");
-    } else if (type == QLatin1String("uint")) {
-        return QStringLiteral("uint");
-    } else if (type == QLatin1String("bool")) {
-        return QStringLiteral("bool");
-    } else if (type == QLatin1String("double")) {
-        return QStringLiteral("double");
-    } else if (type == QLatin1String("datetime")) {
-        return QStringLiteral("const QDateTime &");
-    } else if (type == QLatin1String("longlong")) {
-        return QStringLiteral("qint64");
-    } else if (type == QLatin1String("ulonglong")) {
-        return QStringLiteral("quint64");
-    } else if (type == QLatin1String("intlist")) {
-        return QStringLiteral("const QList<int> &");
-    } else if (type == QLatin1String("enum")) {
-        return QStringLiteral("int");
-    } else if (type == QLatin1String("path")) {
-        return QStringLiteral("const QString &");
-    } else if (type == QLatin1String("pathlist")) {
-        return QStringLiteral("const QStringList &");
-    } else if (type == QLatin1String("password")) {
-        return QStringLiteral("const QString &");
-    } else if (type == QLatin1String("url")) {
-        return QStringLiteral("const QUrl &");
-    } else if (type == QLatin1String("urllist")) {
-        return QStringLiteral("const QList<QUrl> &");
-    } else {
-        cerr << "kconfig_compiler_kf5 does not support type \"" << type << "\"" << endl;
-        return QStringLiteral("QString"); //For now, but an assert would be better
-    }
+    if (QVector<QString>({
+            QLatin1String("int"),
+            QLatin1String("uint"),
+            QLatin1String("bool"),
+            QLatin1String("double")}
+        ).contains(type)) {
+        return type;
+    }
+
+    auto valueMap = std::map<QString, QString> {
+        {QStringLiteral("string"),  QStringLiteral("const QString &")},
+        {QStringLiteral("stringlist"), QStringLiteral("const QStringList &")},
+        {QStringLiteral("font"), QStringLiteral("const QFont &") },
+        {QStringLiteral("rect"), QStringLiteral("const QRect &")},
+        {QStringLiteral("size"), QStringLiteral("const QSize &")},
+        {QStringLiteral("color"), QStringLiteral("const QColor &")},
+        {QStringLiteral("point"), QStringLiteral("const QPoint &")},
+        {QStringLiteral("datetime"), QStringLiteral("const QDateTime &")},
+        {QStringLiteral("longlong"), QStringLiteral("qint64")},
+        {QStringLiteral("ulonglong"), QStringLiteral("quint64")},
+        {QStringLiteral("intlist"), QStringLiteral("const QList<int> &")},
+        {QStringLiteral("enum"), QStringLiteral("int")},
+        {QStringLiteral("path"), QStringLiteral("const QString &")},
+        {QStringLiteral("pathlist"), QStringLiteral("const QStringList &")},
+        {QStringLiteral("password"), QStringLiteral("const QString &")},
+        {QStringLiteral("url"), QStringLiteral("const QUrl &")},
+        {QStringLiteral("urllist"), QStringLiteral("const QList<QUrl> &")},
+    };
+    auto it = valueMap.find(type);
+    Q_ASSERT(it != valueMap.end());
+
+    return it->second;
 }
 
 /**