diff --git a/plugins/pyenv-binary/libexec/pyenv-binary-install b/plugins/pyenv-binary/libexec/pyenv-binary-install
index a8f956e9..18c6fa44 100755
--- a/plugins/pyenv-binary/libexec/pyenv-binary-install
+++ b/plugins/pyenv-binary/libexec/pyenv-binary-install
@@ -100,8 +100,8 @@ if [ -z "$entry" ]; then
   echo "pyenv-binary: no binary available for $requested on $os/$arch" >&2
   exit 1
 fi
-definitions="$(pyenv-install --list --bare)" || definitions=""
-if printf '%s\n' "$definitions" | grep -qxF -- "$entry"; then
+definitions="$(pyenv-install --list --bare)"
+if grep -qxF -- "$entry" <<<"$definitions"; then
   pyenv-install "$entry:$version"
   exit
 fi