diff --git a/mysql/Makefile b/mysql/Makefile
index 901992ff8b6..1f168070972 100644
--- a/mysql/Makefile
+++ b/mysql/Makefile
@@ -41,7 +41,7 @@ data:
 	&& make load
 
 dev:
-	$(MYSQL) $(BASE) < data/data-dev.sql
+	$(MYSQL) $(BASE) < data/data_dev.sql
 
 droptable:
 	cd tables \