diff --git a/src/motif/window.cpp b/src/motif/window.cpp
index 9a7d7eb156..3063917e61 100644
--- a/src/motif/window.cpp
+++ b/src/motif/window.cpp
@@ -634,7 +634,7 @@ void wxWindow::SetLabel(const wxString& label)
 
 wxString wxWindow::GetLabel() const
 {
-    char *label;
+    char *label = NULL;
     XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &label, NULL);
 
     return wxString(label);