diff --git a/vncviewer/UserDialog.cxx b/vncviewer/UserDialog.cxx
index b3840d62dc..ed75a53c46 100644
--- a/vncviewer/UserDialog.cxx
+++ b/vncviewer/UserDialog.cxx
@@ -57,6 +57,9 @@ using namespace rfb;
 static Fl_Pixmap secure_icon(secure);
 static Fl_Pixmap insecure_icon(insecure);
 
+std::string UserDialog::savedUsername;
+std::string UserDialog::savedPassword;
+
 static long ret_val = 0;
 
 static void button_cb(Fl_Widget *widget, long val) {
diff --git a/vncviewer/UserDialog.h b/vncviewer/UserDialog.h
index c16923c128..ddafbc3c25 100644
--- a/vncviewer/UserDialog.h
+++ b/vncviewer/UserDialog.h
@@ -38,8 +38,8 @@ class UserDialog
   void resetPassword();
 
 private:
-  std::string savedUsername;
-  std::string savedPassword;
+  static std::string savedUsername;
+  static std::string savedPassword;
 };
 
 #endif