Index: src/dockapp.c
===================================================================
--- src/dockapp.c	(revision 184)
+++ src/dockapp.c	(revision 185)
@@ -132,9 +132,16 @@
 
     /* Set WindowTitle for AfterStep Wharf */
     stat = XStringListToTextProperty(&appname, 1, &title);
+    if (stat == 0) {
+        fprintf(stderr, "%s: can't convert string to text property structure!\n", argv[0]);
+        exit(1);
+    }
+
     XSetWMName(display, window, &title);
     XSetWMName(display, icon_window, &title);
 
+    XFree(title.value);
+
     /* Set Command to start the app so it can be docked properly */
     XSetCommand(display, window, argv, argc);