diff --git a/tests/search.sh b/tests/search.sh
index 41b706ac6..1a98f5b49 100644
--- a/tests/search.sh
+++ b/tests/search.sh
@@ -43,3 +43,4 @@ e=$'\x1b' # grep doesn't support \e, \033 or even \x1b
 
 (( $(nix search -f search.nix foo --exclude 'foo|bar' | grep -Ec 'foo|bar') == 0 ))
 (( $(nix search -f search.nix foo -e foo --exclude bar | grep -Ec 'foo|bar') == 0 ))
+[[ $(nix search -f search.nix -e bar --json | jq -c 'keys') == '["foo","hello"]' ]]