diff --git a/Makefile b/Makefile
index a0413ac72..fe1a59ee3 100644
--- a/Makefile
+++ b/Makefile
@@ -334,14 +334,14 @@ setup-timing-scripts: $(TIMING_ROOT)
 
 .PHONY: install-caravel-cocotb
 install-caravel-cocotb:
-	rm -rf ./venv-cocotb
+	rm -rf $(PROJECT_ROOT)/venv-cocotb
 	$(PYTHON_BIN) -m venv ./venv-cocotb
-	./venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir pip
-	./venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir caravel-cocotb
+	$(PROJECT_ROOT)/venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir pip
+	$(PROJECT_ROOT)/venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir caravel-cocotb
 
 .PHONY: setup-cocotb-env
 setup-cocotb-env:
-	@(python3 $(PROJECT_ROOT)/verilog/dv/setup-cocotb.py $(CARAVEL_ROOT) $(MCW_ROOT) $(PDK_ROOT) $(PDK) $(PROJECT_ROOT))
+	@($(PROJECT_ROOT)/venv-cocotb/bin/$(PYTHON_BIN) $(PROJECT_ROOT)/verilog/dv/setup-cocotb.py $(CARAVEL_ROOT) $(MCW_ROOT) $(PDK_ROOT) $(PDK) $(PROJECT_ROOT))
 
 .PHONY: setup-cocotb
 setup-cocotb: install-caravel-cocotb setup-cocotb-env simenv-cocotb
@@ -426,4 +426,4 @@ caravel-sta: ./env/spef-mapping.tcl
 	@echo =================================================================================================
 	@echo "You can find results for all corners in $(CUP_ROOT)/signoff/caravel/openlane-signoff/timing/"
 	@echo "Check summary.log of a specific corner to point to reports with reg2reg violations" 
-	@echo "Cap and slew violations are inside summary.log file itself"
\ No newline at end of file
+	@echo "Cap and slew violations are inside summary.log file itself"