diff --git a/algo-showenv.sh b/algo-showenv.sh
index 0fe2262e2..478e40abf 100755
--- a/algo-showenv.sh
+++ b/algo-showenv.sh
@@ -70,6 +70,8 @@ fi
 # The Python version might be useful to know.
 if [[ -x ./.env/bin/python3 ]]; then
     ./.env/bin/python3 --version 2>&1
+elif [[ -x "${VIRTUAL_ENV}/bin/python3" ]]; then
+    "${VIRTUAL_ENV}"/bin/python3 --version 2>&1
 elif [[ -f ./algo ]]; then
     echo ".env/bin/python3 not found: has 'python3 -m virtualenv ...' been run?"
 fi