diff --git a/qtzeroconf.pro b/qtzeroconf.pro
index 2d00737..c8da408 100644
--- a/qtzeroconf.pro
+++ b/qtzeroconf.pro
@@ -7,6 +7,7 @@ include($$PWD/qtzeroconf.pri)
 TEMPLATE = lib
 TARGET = $$qtLibraryTarget(QtZeroConf$$QT_LIBINFIX)
 CONFIG += module create_prl
+DEFINES+= QT_BUILD_ZEROCONF_LIB
 mac:QMAKE_FRAMEWORK_BUNDLE_NAME = $$TARGET
 
 target.path = $$PREFIX/lib
diff --git a/qzeroconf.h b/qzeroconf.h
index a5d64af..c496206 100644
--- a/qzeroconf.h
+++ b/qzeroconf.h
@@ -30,6 +30,17 @@
 #include <QObject>
 #include <QHostAddress>
 #include <QMap>
+#include <QtCore/QtGlobal>
+
+#ifndef QT_STATIC
+#	ifdef QT_BUILD_ZEROCONF_LIB
+#		define Q_ZEROCONF_EXPORT Q_DECL_EXPORT
+#	else
+#		define Q_ZEROCONF_EXPORT Q_DECL_IMPORT
+#	endif
+#else
+#	define Q_ZEROCONF_EXPORT
+#endif
 
 struct QZeroConfService
 {
@@ -45,7 +56,7 @@ struct QZeroConfService
 
 class QZeroConfPrivate;
 
-class QZeroConf : public QObject
+class Q_ZEROCONF_EXPORT QZeroConf : public QObject
 {
 	Q_OBJECT