diff --git a/src/plugin-exports.h b/src/plugin-exports.h
index 864b133..cd9c732 100644
--- a/src/plugin-exports.h
+++ b/src/plugin-exports.h
@@ -23,7 +23,7 @@
 #ifdef __KDE_HAVE_GCC_VISIBILITY
 #define PLUGIN_NO_EXPORT __attribute__ ((visibility("hidden")))
 #define PLUGIN_EXPORT __attribute__ ((visibility("default")))
-#elif defined(Q_WS_WIN)
+#elif defined(TQ_WS_WIN)
 #define PLUGIN_NO_EXPORT
 #define PLUGIN_EXPORT __declspec(dllexport)
 #else