diff --git a/open_spiel/scripts/install.sh b/open_spiel/scripts/install.sh
index 6fbda281c4..51e10d4858 100755
--- a/open_spiel/scripts/install.sh
+++ b/open_spiel/scripts/install.sh
@@ -34,7 +34,9 @@ ${PYBIN} --version
 MYDIR="$(dirname "$(realpath "$0")")"
 
 function check_install_python() {
-  output=$(brew list --versions | grep "python ${OS_PYTHON_VERSION}")
+  # Need the trap here to make sure the return value of grep being 1 doesn't cause set -e to fail
+  # https://stackoverflow.com/questions/77047127/bash-capture-stderr-of-a-function-while-using-trap
+  trap 'ret=0; output=$(brew list --versions | grep "python ${OS_PYTHON_VERSION}") || ret="$?"; trap - RETURN' RETURN
   if [[ "$output" = "" ]]; then
     brew install "python@${OS_PYTHON_VERSION}"
   fi