diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index d01ad8eb25..137fdc9bd5 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -1539,7 +1539,7 @@ test_expect_success 'complete tree filename with metacharacters' '
 	EOF
 '
 
-test_expect_success 'send-email' '
+test_expect_success PERL 'send-email' '
 	test_completion "git send-email --cov" "--cover-letter " &&
 	test_completion "git send-email ma" "master "
 '