diff --git a/lib/func.cpp b/lib/func.cpp
index 16f4bc53..326b7424 100644
--- a/lib/func.cpp
+++ b/lib/func.cpp
@@ -111,6 +111,22 @@ QString getHomeDir()
 	return hd;
 }
 
+QString getLibDir()
+{
+	QString hd;
+#ifdef WIN32
+	LPITEMIDLIST pidl = NULL;
+	TCHAR buf[255] = "";
+		if (SUCCEEDED(SHGetSpecialFolderLocation(NULL, CSIDL_SYSTEM, &pidl))) {
+		SHGetPathFromIDList(pidl, buf);
+	}
+	hd = buf;
+#else
+	hd = QString("/usr/lib");
+#endif
+	return hd;
+}
+
 QString getDocDir()
 {
 #if defined(WIN32) || defined (Q_WS_MAC)
diff --git a/lib/func.h b/lib/func.h
index 7da7dc96..45c1ab3f 100644
--- a/lib/func.h
+++ b/lib/func.h
@@ -18,6 +18,7 @@ class Validity;
 QPixmap *loadImg(const char *name);
 QString getPrefix();
 QString getHomeDir();
+QString getLibDir();
 QString getDocDir();
 QString getUserSettingsDir();
 QString getFullFilename(const QString &filename, const QString &selectedFilter);
diff --git a/macdeployqt/Makefile b/macdeployqt/Makefile
index f1cf7048..88f401d9 100644
--- a/macdeployqt/Makefile
+++ b/macdeployqt/Makefile
@@ -13,5 +13,6 @@ Makefile.qt: macdeployqt.pro
 
 clean:
 	rm -f *.o Makefile.qt macdeployqt
+distclean: clean
 
 include $(TOPDIR)/Local.mak
diff --git a/widgets/Options.cpp b/widgets/Options.cpp
index 941161b5..12a7c2e4 100644
--- a/widgets/Options.cpp
+++ b/widgets/Options.cpp
@@ -5,6 +5,7 @@
  * All rights reserved.
  */
 
+#include "lib/func.h"
 #include "Options.h"
 #include "lib/pki_scard.h"
 #include <openssl/objects.h>
@@ -81,7 +82,7 @@ void Options::on_addButton_clicked(void)
 	QString fname, status;
 
 	fname = QFileDialog::getOpenFileName(this, l.caption,
-		QString(), l.filter);
+		getLibDir(), l.filter);
 
 	if (fname.isEmpty() || pkcs11::get_lib(fname))
 		return;