Index: trunk/src/conf.c
===================================================================
--- trunk/src/conf.c	(revision 2247)
+++ trunk/src/conf.c	(revision 2248)
@@ -1380,6 +1380,11 @@
 	return conf_root_lock[target];
 }
 
+int conf_isdirty(conf_role_t target)
+{
+	return conf_lht_dirty[target];
+}
+
 void conf_reset(conf_role_t target, const char *source_fn)
 {
 	if (conf_root[target] != NULL)
Index: trunk/src/conf.h
===================================================================
--- trunk/src/conf.h	(revision 2247)
+++ trunk/src/conf.h	(revision 2248)
@@ -224,6 +224,9 @@
 /* Returns whether a given lihata tree is locked */
 int conf_islocked(conf_role_t target);
 
+/* Returns whether a given lihata tree has changed since load or last save */
+int conf_isdirty(conf_role_t target);
+
 /* all configuration fields ever seen */
 extern htsp_t *conf_fields;
 
Index: trunk/src/main.c
===================================================================
--- trunk/src/main.c	(revision 2247)
+++ trunk/src/main.c	(revision 2248)
@@ -218,6 +218,9 @@
 
 void pcb_main_uninit(void)
 {
+	if (conf_isdirty(CFR_USER))
+		conf_save_file(NULL, NULL, CFR_USER, NULL);
+
 	UninitBuffers();
 
 	/* Free up memory allocated to the PCB. Why bother when we're about to exit ?