Index: plugins/excel/xlsx-read.c
===================================================================
--- plugins/excel/xlsx-read.c	(révision 16121)
+++ plugins/excel/xlsx-read.c	(copie de travail)
@@ -1528,14 +1528,17 @@
 		GogObject *label = gog_object_add_by_name (state->cur_obj,
 			(state->cur_obj == (GogObject *)state->chart) ? "Title" : "Label", NULL);
 		if (NULL != label) {
+			GnmValue *value = value_new_string_nocopy (state->chart_tx);
+			GnmExprTop const *texpr = gnm_expr_top_new_constant (value);
 			gog_dataset_set_dim (GOG_DATASET (label), 0,
-				go_data_scalar_str_new (state->chart_tx, TRUE), NULL);
+				gnm_go_data_scalar_new_expr (state->sheet, texpr), NULL);
 			state->chart_tx = NULL;
 		}
 	}
 	g_free (state->chart_tx);
 	state->chart_tx = NULL;
 }
+
 static void
 xlsx_chart_text_content (GsfXMLIn *xin, G_GNUC_UNUSED GsfXMLBlob *blob)
 {
