diff --git a/common/build-style/python3-module.sh b/common/build-style/python3-module.sh
index ad5fdff252..093bdae8a0 100644
--- a/common/build-style/python3-module.sh
+++ b/common/build-style/python3-module.sh
@@ -24,8 +24,9 @@ do_build() {
 }
 
 do_check() {
-	if python3 -m pytest --help >/dev/null 2>&1; then
-		python3 -m pytest ${make_check_args} ${make_check_target}
+	if python3 -c 'import pytest' >/dev/null 2>&1; then
+		PYTHONPATH="$(cd build/lib* && pwd)" \
+			python3 -m pytest ${make_check_args} ${make_check_target}
 	else
 		# Fall back to deprecated setup.py test orchestration without pytest
 		if [ -z "$make_check_target" ]; then
diff --git a/common/build-style/python3-pep517.sh b/common/build-style/python3-pep517.sh
index 4051185a28..075f954a1a 100644
--- a/common/build-style/python3-pep517.sh
+++ b/common/build-style/python3-pep517.sh
@@ -13,7 +13,7 @@ do_build() {
 }
 
 do_check() {
-	if python3 -m pytest --help >/dev/null 2>&1; then
+	if python3 -c 'import pytest' >/dev/null 2>&1; then
 		python3 -m pytest ${make_check_args} ${make_check_target}
 	else
 		msg_warn "Unable to determine tests for PEP517 Python templates"