diff --git a/Makefile b/Makefile
index 9af0101..1939a7b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,22 @@
+# This ensures the next time you run Make, it’ll properly re-run the failed
+# rule, and guards against broken files.
+# See https://tech.davis-hansson.com/p/make/#change-some-make-defaults
+.DELETE_ON_ERROR:
+
 data/corpus-simple-pascal.json: data/corpus-simple-teeft-en.json
-	npx ezs enrich-pascal.ini < data/corpus-simple-teeft-en.json > data/corpus-simple-pascal.json
+	npx ezs enrich-pascal.ini < $< > $@
 
 data/corpus-simple-teeft-en.json: data/corpus-simple-instituts.json
-	npx ezs enrich-teeft-en.ini < data/corpus-simple-instituts.json > data/corpus-simple-teeft-en.json
+	npx ezs enrich-teeft-en.ini < $< > $@
 
 data/corpus-simple-instituts.json: data/corpus-simple-etab.json
-	npx ezs enrich-institutes.ini < data/corpus-simple-etab.json > data/corpus-simple-instituts.json
+	npx ezs enrich-institutes.ini < $< > $@
 
 data/corpus-simple-etab.json: data/corpus-simple-rnsr.json
-	npx ezs enrich-etab.ini < data/corpus-simple-rnsr.json > data/corpus-simple-etab.json
+	npx ezs enrich-etab.ini < $< > $@
 
 data/corpus-simple-rnsr.json: data/corpus-simple.json
-	npx ezs enrich-rnsr.ini < data/corpus-simple.json > data/corpus-simple-rnsr.json
+	npx ezs enrich-rnsr.ini < $< > $@
 
 data/corpus-simple.json: corpus_WoS_vol1.json
-	npx ezs extract-fields.ini < corpus_WoS_vol1.json > data/corpus-simple.json
+	npx ezs extract-fields.ini < $< > $@