diff --git a/include/types/applet.h b/include/types/applet.h
index ff82ef3c5..2e8a297ff 100644
--- a/include/types/applet.h
+++ b/include/types/applet.h
@@ -95,7 +95,6 @@ struct appctx {
 			unsigned int display_flags;
 			struct pat_ref *ref;
 			struct pat_ref_elt *elt;
-			struct map_descriptor *desc;
 			struct pattern_expr *expr;
 			struct chunk chunk;
 		} map;
diff --git a/src/dumpstats.c b/src/dumpstats.c
index d1c48859e..0621f1ff7 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -5619,11 +5619,6 @@ static int stats_map_lookup(struct stream_interface *si)
 		appctx->ctx.map.expr = LIST_ELEM(&appctx->ctx.map.ref->pat, struct pattern_expr *, list);
 		appctx->ctx.map.expr = pat_expr_get_next(appctx->ctx.map.expr, &appctx->ctx.map.ref->pat);
 		appctx->st2 = STAT_ST_LIST;
-
-		/* retrieve one of the compatible map descriptor for learnig the type. */
-		if (appctx->ctx.map.display_flags == PAT_REF_MAP)
-			appctx->ctx.map.desc = container_of(appctx->ctx.map.expr->pat_head,
-			                                    struct map_descriptor, pat);
 		/* fall through */
 
 	case STAT_ST_LIST:
@@ -5698,7 +5693,7 @@ static int stats_map_lookup(struct stream_interface *si)
 				if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
 					if (pat->data && pat->ref && pat->ref->sample)
 						chunk_appendf(&trash, ", value=\"%s\", type=\"%s\"", pat->ref->sample,
-						              smp_to_type[appctx->ctx.map.desc->conv->out_type]);
+						              smp_to_type[pat->data->type]);
 					else
 						chunk_appendf(&trash, ", value=none");
 				}