Index: trunk/src_plugins/propedit/propsel.c
===================================================================
--- trunk/src_plugins/propedit/propsel.c	(revision 26569)
+++ trunk/src_plugins/propedit/propsel.c	(revision 26570)
@@ -650,6 +650,8 @@
 	if ((prop[0] != 'a') && (prop[0] != 'p'))
 		return 0;
 
+	if (value == NULL)
+		value = "";
 	sctx.s = value;
 	start = value;
 	while(isspace(*start)) start++;