diff --git a/src/plugins/qt4projectmanager/qtversionmanager.cpp b/src/plugins/qt4projectmanager/qtversionmanager.cpp
index 780de4ebc6585db60c4a3e934e1c5817ea1139bd..f79cc4b59643d04550b650a0e4f0c11bb9a68f7a 100644
--- a/src/plugins/qt4projectmanager/qtversionmanager.cpp
+++ b/src/plugins/qt4projectmanager/qtversionmanager.cpp
@@ -241,12 +241,17 @@ void QtVersionManager::addNewVersionsFromInstaller()
     // or NewQtVersions="qt 4.3.2=c:\\qt\\qt432=c:\\qtcreator\\mingw\\=prependToPath;
     // Duplicate entries are not added, the first new version is set as default.
     QSettings *settings = Core::ICore::instance()->settings();
-    if (!settings->contains(newQtVersionsKey))
+
+    if (!settings->contains(newQtVersionsKey) &&
+        !settings->contains(QLatin1String("Installer/")+newQtVersionsKey))
         return;
 
 //    qDebug()<<"QtVersionManager::addNewVersionsFromInstaller()";
 
     QString newVersionsValue = settings->value(newQtVersionsKey).toString();
+    if (newVersionsValue.isEmpty())
+        newVersionsValue = settings->value(QLatin1String("Installer/")+newQtVersionsKey).toString();
+
     QStringList newVersionsList = newVersionsValue.split(';', QString::SkipEmptyParts);
     bool defaultVersionWasReset = false;
     foreach (QString newVersion, newVersionsList) {
@@ -281,6 +286,7 @@ void QtVersionManager::addNewVersionsFromInstaller()
         }
     }
     settings->remove(newQtVersionsKey);
+    settings->remove(QLatin1String("Installer/")+newQtVersionsKey);
     updateUniqueIdToIndexMap();
 }