diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 6792627..a3ee76d 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -25,6 +25,9 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with: 
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          ref: ${{ github.event.pull_request.head.ref }}
       - name: Set up Python 3.10
         uses: actions/setup-python@v5
         with:
diff --git a/Makefile b/Makefile
index 718d7e0..e73d306 100644
--- a/Makefile
+++ b/Makefile
@@ -43,13 +43,13 @@ docs:
 test: ARGS ?= 
 test: TARGET ?= tests/
 test: test-plugin
-	@OUTPUT_PATH=/dev/null $(PYTHON) -m pytest $(ARGS) $(TARGET)
+	@OUTPUT_PATH=/dev/null python -m pytest $(ARGS) $(TARGET)
 
 .PHONY: test-plugin
 test-plugin: ARGS ?= 
 test-plugin: TARGET ?= plugins_public/tests/
 test-plugin:
-	@OUTPUT_PATH=/dev/null $(PYTHON) -m pytest $(ARGS) $(TARGET)
+	@OUTPUT_PATH=/dev/null python -m pytest $(ARGS) $(TARGET)
 
 .PHONY: it
 it: