diff --git a/Makefile b/Makefile
index fc23f39..bcd2887 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,7 @@ fmt:  ## Run autoformatting and linting
 .PHONY: pre-commit
 pre-commit: fmt  ## Run all code quality checks
 
-data/tables: .venv  ## Generate data tables
+data/tables/: .venv  ## Generate data tables
 	$(MAKE) -C tpch-dbgen dbgen
 	cd tpch-dbgen && ./dbgen -vf -s $(SCALE_FACTOR) && cd ..
 	mkdir -p "data/tables/scale-$(SCALE_FACTOR)"