diff --git a/pyscriptjs/Makefile b/pyscriptjs/Makefile
index 7bb528d5..9acbf860 100644
--- a/pyscriptjs/Makefile
+++ b/pyscriptjs/Makefile
@@ -8,7 +8,7 @@ app_dir ?= $(shell git rev-parse --show-prefix)
 
 CONDA_ENV ?= ./env
 env := $(CONDA_ENV)
-
+conda_run := conda run -p $(env)
 
 .PHONY: clean
 clean:
@@ -39,7 +39,7 @@ build:
 .PHONY: test
 test:
 	@echo "Tests are coming :( this is a placeholder and it's meant to fail!"
-	$(env)/bin/pytest -vv $(ARGS) tests/ --log-cli-level=warning
+	$(conda_run) pytest -vv $(ARGS) tests/ --log-cli-level=warning
 
 .PHONY: test-py
 test-py: