diff --git a/1-enrich-with-datacite/concatenate-enrich-dois.py b/1-enrich-with-datacite/concatenate-enrich-dois.py
index a96a44f845224e412c60ef225b4b08fafc72293f..c1ff64a8871d5ddec3eaa806c3ed29f487422a86 100644
--- a/1-enrich-with-datacite/concatenate-enrich-dois.py
+++ b/1-enrich-with-datacite/concatenate-enrich-dois.py
@@ -59,6 +59,10 @@ if temp_rows :
 	df_out.to_csv("../dois-uga.csv", index = False)
 	print(f"\n\nnb of doi exported \t{len(df_out)}")
 
+	# write the number of dois found in a file to display on the website
+	with open("nb-dois.txt", 'w') as f :
+    f.write(str(len(df_out)))
+
 	## output another csv with datacite client and number of datasets
 	df_client_raw = df_out["client"].value_counts().to_frame()