diff --git a/bin/tests/system/conf.sh.in b/bin/tests/system/conf.sh.in
index 48442c405c..74b0ebbf1f 100644
--- a/bin/tests/system/conf.sh.in
+++ b/bin/tests/system/conf.sh.in
@@ -124,7 +124,7 @@ PERL=$(command -v "@PERL@")
 # Windows process management leave empty
 PSSUSPEND=
 
-PYTHON=$(command -v "@PYTHON@")
+PYTHON=$(command -v "@PYTHON@" || true)
 PYTEST=@PYTEST@
 
 #