diff -ur pcmanfm2-0.9.7.orig/src/desktop.c pcmanfm2-0.9.7/src/desktop.c
--- pcmanfm2-0.9.7.orig/src/desktop.c	2010-06-10 22:46:11.000000000 +0400
+++ pcmanfm2-0.9.7/src/desktop.c	2010-06-10 22:46:49.000000000 +0400
@@ -178,7 +178,7 @@
     GtkObjectClass *gtk_object_class;
     GtkWidgetClass* wc;
 	typedef gboolean (*DeleteEvtHandler) (GtkWidget*, GdkEvent*);
-    const char* atom_names[] = {"_NET_WORKAREA", "_NET_NUMBER_OF_DESKTOPS", "_NET_CURRENT_DESKTOP", "_XROOTMAP_ID"};
+    const char* atom_names[] = {"_NET_WORKAREA", "_NET_NUMBER_OF_DESKTOPS", "_NET_CURRENT_DESKTOP", "_XROOTPMAP_ID"};
     Atom atoms[G_N_ELEMENTS(atom_names)] = {0};
 
     /* g_object_class = G_OBJECT_CLASS(klass);