diff --git a/eclass/tests/scons-utils.sh b/eclass/tests/scons-utils.sh
index 32a0a944706ea..5f1cd2036047b 100755
--- a/eclass/tests/scons-utils.sh
+++ b/eclass/tests/scons-utils.sh
@@ -3,6 +3,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
+_PYTHON_R1=1
 source tests-common.sh || exit
 
 inherit scons-utils