diff --git a/Makefile b/Makefile
index 25a5e72..fced6b7 100644
--- a/Makefile
+++ b/Makefile
@@ -54,12 +54,11 @@
 PATTERNS=$(shell cd verilog/dv && find * -maxdepth 0 -type d)
 DV_PATTERNS = $(foreach dv, $(PATTERNS), verify-$(dv))
 TARGET_PATH=$(shell pwd)
-PDK_PATH=${PDK_ROOT}/sky130A
 VERIFY_COMMAND="cd ${TARGET_PATH}/verilog/dv/$* && export SIM=${SIM} && make"
 $(DV_PATTERNS): verify-% : ./verilog/dv/% 
-	docker run -v ${TARGET_PATH}:${TARGET_PATH} -v ${PDK_PATH}:${PDK_PATH} \
+	docker run -v ${TARGET_PATH}:${TARGET_PATH} -v ${PDK_ROOT}:${PDK_ROOT} \
                 -v ${CARAVEL_ROOT}:${CARAVEL_ROOT} \
-                -e TARGET_PATH=${TARGET_PATH} -e PDK_PATH=${PDK_PATH} \
+                -e TARGET_PATH=${TARGET_PATH} -e PDK_ROOT=${PDK_ROOT} \
                 -e CARAVEL_ROOT=${CARAVEL_ROOT} \
                 -u $(id -u $$USER):$(id -g $$USER) efabless/dv_setup:latest \
                 sh -c $(VERIFY_COMMAND)
@@ -137,15 +136,15 @@
 # Default installs to the user home directory, override by "export PRECHECK_ROOT=<precheck-installation-path>"
 .PHONY: precheck
 precheck:
-	@git clone https://github.com/efabless/open_mpw_precheck.git --depth=1 $(PRECHECK_ROOT)
-	@docker pull efabless/open_mpw_precheck:latest
+	@git clone https://github.com/efabless/mpw_precheck.git --depth=1 $(PRECHECK_ROOT)
+	@docker pull efabless/mpw_precheck:latest
 
 .PHONY: run-precheck
 run-precheck: check-precheck check-pdk check-caravel
-	$(eval TARGET_PATH := $(shell pwd))
+	$(eval INPUT_DIRECTORY := $(shell pwd))
 	cd $(PRECHECK_ROOT) && \
-	docker run -e TARGET_PATH=$(TARGET_PATH) -e PDK_ROOT=$(PDK_ROOT) -e CARAVEL_ROOT=$(CARAVEL_ROOT) -v $(PRECHECK_ROOT):/usr/local/bin -v $(TARGET_PATH):$(TARGET_PATH) -v $(PDK_ROOT):$(PDK_ROOT) -v $(CARAVEL_ROOT):$(CARAVEL_ROOT) \
-	-u $(shell id -u $(USER)):$(shell id -g $(USER)) efabless/open_mpw_precheck:latest bash -c "python3 open_mpw_prechecker.py --pdk_root $(PDK_ROOT) --target_path $(TARGET_PATH) -rfc -c $(CARAVEL_ROOT) "
+	docker run -e INPUT_DIRECTORY=$(INPUT_DIRECTORY) -e PDK_ROOT=$(PDK_ROOT) -e CARAVEL_ROOT=$(CARAVEL_ROOT) -v $(PRECHECK_ROOT):$(PRECHECK_ROOT) -v $(INPUT_DIRECTORY):$(INPUT_DIRECTORY) -v $(PDK_ROOT):$(PDK_ROOT) -v $(CARAVEL_ROOT):$(CARAVEL_ROOT) \
+	-u $(shell id -u $(USER)):$(shell id -g $(USER)) efabless/mpw_precheck:latest bash -c "cd $(PRECHECK_ROOT) ; python3 mpw_precheck.py --pdk_root $(PDK_ROOT) --input_directory $(INPUT_DIRECTORY) --caravel_root $(CARAVEL_ROOT)"
 
 # Install PDK using OL's Docker Image
 .PHONY: pdk-nonnative