diff --git a/src/keyboard_layout.h b/src/keyboard_layout.h
index 55b6f2a14a..7251b41b01 100644
--- a/src/keyboard_layout.h
+++ b/src/keyboard_layout.h
@@ -31,7 +31,7 @@ namespace KeyboardLayoutSwitching
 class Policy;
 }
 
-class KeyboardLayout : public QObject, public InputEventSpy
+class KWIN_EXPORT KeyboardLayout : public QObject, public InputEventSpy
 {
     Q_OBJECT
 public: