diff --git a/Makefile b/Makefile
index 988eba44892..4ec6084b1d1 100644
--- a/Makefile
+++ b/Makefile
@@ -64,6 +64,7 @@ venv:
 		echo "venv already exists."; \
 		echo "To recreate it, remove it first with \`make clean-venv'."; \
 	else \
+		set -e; \
 		echo "Creating venv in $(VENVDIR)"; \
 		if $(UV) --version >/dev/null 2>&1; then \
 			$(UV) venv --python=$(PYTHON) $(VENVDIR); \