Index: trunk/src/plugins/lib_ngrp/lib_ngrp.c
===================================================================
--- trunk/src/plugins/lib_ngrp/lib_ngrp.c	(revision 11480)
+++ trunk/src/plugins/lib_ngrp/lib_ngrp.c	(revision 11481)
@@ -188,9 +188,12 @@
 
 	/* create components */
 	for(c = ctx->comps; c != NULL; c = c->next) {
-		csch_acomp_t *acomp = csch_acomp_new(dst, dst->hroot, CSCH_ASCOPE_GLOBAL, c->name, c->name);
+		csch_acomp_t *acomp;
 		csch_cgrp_t *cgrp = get_src_oid(src, &src_oid);
 
+		acomp = csch_acomp_get_at(dst, dst->hroot, CSCH_ASCOPE_GLOBAL, c->name);
+		if (acomp == NULL)
+			acomp = csch_acomp_new(dst, dst->hroot, CSCH_ASCOPE_GLOBAL, c->name, c->name);
 		csch_compile_add_source(cgrp, &acomp->hdr);
 		comp_add_attrs(src, &acomp->hdr, c->attr_head);
 		c->ahdr = &acomp->hdr;