Index: trunk/src/obj_pstk.h
===================================================================
--- trunk/src/obj_pstk.h	(revision 20388)
+++ trunk/src/obj_pstk.h	(revision 20389)
@@ -172,7 +172,9 @@
 void pcb_pstk_shape_update_pa(pcb_pstk_poly_t *poly);
 
 /* Insert proto into the cache of data; if it's already in, return the existing
-   ID, else dup it and insert it. */
+   ID, else dup it and insert it. WARNING: make sure
+   pcb_pstk_proto_update() was called on proto some point in time before this
+   call, esle the hash is invalid */
 pcb_cardinal_t pcb_pstk_proto_insert_dup(pcb_data_t *data, const pcb_pstk_proto_t *proto, int quiet);
 
 /* Change the non-NULL hole properties of a padstack proto; undoable.
Index: trunk/src_plugins/dialogs/dlg_padstack.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_padstack.c	(revision 20388)
+++ trunk/src_plugins/dialogs/dlg_padstack.c	(revision 20389)
@@ -582,6 +582,7 @@
 	proto.hdia = pse->attrs[pse->gen_drill].default_val.coord_value;
 	proto.hplated = 1;
 
+	pcb_pstk_proto_update(&proto);
 	pid = pcb_pstk_proto_insert_dup(pse->data, &proto, 1);
 	pcb_pstk_change_instance(pse->ps, &pid, NULL, NULL, NULL, NULL);
 
Index: trunk/src_plugins/io_dsn/read.c
===================================================================
--- trunk/src_plugins/io_dsn/read.c	(revision 20388)
+++ trunk/src_plugins/io_dsn/read.c	(revision 20389)
@@ -810,6 +810,7 @@
 		}
 	}
 
+	pcb_pstk_proto_update(prt);
 	htsp_set(&ctx->protos, prt->name, prt);
 
 	if (old_unit != NULL)
Index: trunk/src_plugins/lib_compat_help/pstk_compat.c
===================================================================
--- trunk/src_plugins/lib_compat_help/pstk_compat.c	(revision 20388)
+++ trunk/src_plugins/lib_compat_help/pstk_compat.c	(revision 20389)
@@ -194,6 +194,7 @@
 	proto.hdia = drill_dia;
 	proto.hplated = plated;
 
+	pcb_pstk_proto_update(&proto);
 	pid = pcb_pstk_proto_insert_dup(data, &proto, 1);
 	if (pid == PCB_PADSTACK_INVALID) {
 		compat_shape_free(&copper_master);
@@ -517,6 +518,7 @@
 		shape[2].comb = PCB_LYC_AUTO;
 	}
 
+	pcb_pstk_proto_update(&proto);
 	pid = pcb_pstk_proto_insert_dup(data, &proto, 1);
 
 	for(n = 0; n < tshp.len; n++)
Index: trunk/src_plugins/lib_compat_help/pstk_help.c
===================================================================
--- trunk/src_plugins/lib_compat_help/pstk_help.c	(revision 20388)
+++ trunk/src_plugins/lib_compat_help/pstk_help.c	(revision 20389)
@@ -47,6 +47,7 @@
 	proto.hdia = drill_dia;
 	proto.hplated = plated;
 
+	pcb_pstk_proto_update(&proto);
 	pid = pcb_pstk_proto_insert_dup(data, &proto, 1);
 
 	return pcb_pstk_new(data, pid, x, y, 0, pcb_flag_make(PCB_FLAG_CLEARLINE));
@@ -305,6 +306,7 @@
 	proto.hdia = drill_dia;
 	proto.hplated = plated;
 
+	pcb_pstk_proto_update(&proto);
 	pid = pcb_pstk_proto_insert_dup(data, &proto, 1);
 	if (pid == PCB_PADSTACK_INVALID)
 		return NULL;