diff --git a/Makefile b/Makefile
index edada81..027f6d6 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 help:
 	@cat doc/help.txt
 
-pdftotext:
+pdftotext: | init
 	@find ./data -iname '*.pdf' -execdir pdftotext {} \;
 	@find ./data -not \( -path ./data/text -prune \) -iname '*.txt' -exec mv {} './data/text/' ';'