2 files changed, 6 insertions, 1 deletions
diff --git a/src/qmlcompiler/qqmljsimporter.cpp b/src/qmlcompiler/qqmljsimporter.cpp
index 96df18937e..c6640316fa 100644
--- a/src/qmlcompiler/qqmljsimporter.cpp
+++ b/src/qmlcompiler/qqmljsimporter.cpp
@@ -234,6 +234,9 @@ void QQmlJSImporter::processImport(
  */
 QQmlJSImporter::ImportedTypes QQmlJSImporter::importBuiltins()
 {
+    if (!m_builtins.isEmpty())
+        return m_builtins;
+
     AvailableTypes types;
 
     for (auto const &dir : m_importPaths) {
@@ -246,7 +249,8 @@ QQmlJSImporter::ImportedTypes QQmlJSImporter::importBuiltins()
         processImport(result, &types);
     }
 
-    return types.qmlNames;
+    m_builtins = types.qmlNames;
+    return m_builtins;
 }
 
 /*!
diff --git a/src/qmlcompiler/qqmljsimporter_p.h b/src/qmlcompiler/qqmljsimporter_p.h
index 3356997fd3..5ff2631b0a 100644
--- a/src/qmlcompiler/qqmljsimporter_p.h
+++ b/src/qmlcompiler/qqmljsimporter_p.h
@@ -105,6 +105,7 @@ private:
     QHash<QPair<QString, QTypeRevision>, Import> m_seenImports;
     QHash<QString, QQmlJSScope::Ptr> m_importedFiles;
     QList<QQmlJS::DiagnosticMessage> m_warnings;
+    ImportedTypes m_builtins;
 };
 
 QT_END_NAMESPACE