diff --git a/data/parsetrigrams.cpp b/data/parsetrigrams.cpp
index a2c5ef9..1c746e4 100644
--- a/data/parsetrigrams.cpp
+++ b/data/parsetrigrams.cpp
@@ -42,7 +42,7 @@ int main(int argc, char **argv)
     QString path = QLatin1String(argv[1]);
     QDir td(path);
 
-    QHash< QString, QHash<QString,int> > models;
+    QMap< QString, QMap<QString,int> > models;
 
     QStringList files = td.entryList(QDir::Files);