diff --git a/src/libs/qmljs/qmljstypedescriptionreader.h b/src/libs/qmljs/qmljstypedescriptionreader.h
index 1a6e6e6e702..3231b98f016 100644
--- a/src/libs/qmljs/qmljstypedescriptionreader.h
+++ b/src/libs/qmljs/qmljstypedescriptionreader.h
@@ -49,7 +49,7 @@ class UiScriptBinding;
 class SourceLocation;
 }
 
-class TypeDescriptionReader
+class QMLJS_EXPORT TypeDescriptionReader
 {
     Q_DECLARE_TR_FUNCTIONS(QmlJS::TypeDescriptionReader)