diff --git a/src/datatypes/location.cpp b/src/datatypes/location.cpp
--- a/src/datatypes/location.cpp
+++ b/src/datatypes/location.cpp
@@ -178,14 +178,14 @@

 // keep this ordered (see https://en.wikipedia.org/wiki/List_of_Unicode_characters)
 struct {
-    ushort key;
+    QChar key;
     const char* replacement;
 } static const transliteration_map[] = {
-    { u'<C3><9F>', "ss" },
-    { u'<C3><A4>', "ae" },
-    { u'<C3><B6>', "oe" },
-    { u'<C3><B8>', "oe" },
-    { u'<C3><BC>', "ue" },
+    { '<C3><9F>', "ss" },
+    { '<C3><A4>', "ae" },
+    { '<C3><B6>', "oe" },
+    { '<C3><B8>', "oe" },
+    { '<C3><BC>', "ue" },
 };

 static QString applyTransliterations(const QString &s)
@@ -197,7 +197,7 @@
         const auto it = std::lower_bound(std::begin(transliteration_map), std::end(transliteration_map), c, [](const auto &lhs, const auto rhs) {
             return QChar(lhs.key) < rhs;
         });
-        if (it != std::end(transliteration_map) && QChar((*it).key) == c) {
+        if (it != std::end(transliteration_map) && (*it).key == c) {
             res += QString::fromUtf8((*it).replacement);
             continue;
         }