diff --git a/src/plugins/debugger/watchhandler.cpp b/src/plugins/debugger/watchhandler.cpp
index c6ea415dedfceea1ee8ecf2c8b0034174beaf6ce..3723d5b6278e9e8d1df6d5c183ec9b5da086ece7 100644
--- a/src/plugins/debugger/watchhandler.cpp
+++ b/src/plugins/debugger/watchhandler.cpp
@@ -608,7 +608,8 @@ static QString formattedValue(const WatchData &data,
         const int format = individualFormat == -1 ? typeFormat : individualFormat;
         if (format <= 0)
             return data.value;
-        if (data.type.contains(QLatin1String("unsigned"))) {            
+        // Evil hack, covers 'unsigned' as well as quint64.
+        if (data.type.contains(QLatin1Char('u'))) {
             return reformatInteger(data.value.toULongLong(), format);
         } else {
             return reformatInteger(data.value.toLongLong(), format);