diff --git a/Makefile b/Makefile
index 030cfe4..b21d030 100644
--- a/Makefile
+++ b/Makefile
@@ -13,5 +13,5 @@
 data/corpus-simple-rnsr.json: enrich-rnsr.ini data/corpus-simple.json
 	npx ezs -e enrich-rnsr.ini
 
-data/corpus-simple.json: extract-fields.ini data/corpus_WoS_vol1.json
+data/corpus-simple.json: extract-fields.ini corpus_WoS_vol1.json
 	npx ezs -e extract-fields.ini