diff --git a/src/modules/keyboard/keyboardwidget/keyboardpreview.cpp b/src/modules/keyboard/keyboardwidget/keyboardpreview.cpp
index 535edaf24..9cdf831e6 100644
--- a/src/modules/keyboard/keyboardwidget/keyboardpreview.cpp
+++ b/src/modules/keyboard/keyboardwidget/keyboardpreview.cpp
@@ -160,9 +160,9 @@ bool KeyBoardPreview::loadCodes() {
 
 QString KeyBoardPreview::fromUnicodeString(QString raw) {
     if (raw.startsWith("U+"))
-        return QChar(raw.mid(2).toInt(0, 16));
+        return QChar(raw.mid(2).toInt(nullptr, 16));
     else if (raw.startsWith("+U"))
-        return QChar(raw.mid(3).toInt(0, 16));
+        return QChar(raw.mid(3).toInt(nullptr, 16));
 
     return "";
 }