diff --git a/authority/provisioner/aws_test.go b/authority/provisioner/aws_test.go
index 8aa01be0..f2a5d100 100644
--- a/authority/provisioner/aws_test.go
+++ b/authority/provisioner/aws_test.go
@@ -261,6 +261,7 @@ func TestAWS_Init(t *testing.T) {
 		{"ok", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v1", "v2"}, nil}, args{config}, false},
 		{"ok/v1", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v1"}, nil}, args{config}, false},
 		{"ok/v2", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v2"}, nil}, args{config}, false},
+		{"ok/empty", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{}, nil}, args{config}, false},
 		{"ok/duration", fields{"AWS", "name", []string{"account"}, true, true, Duration{Duration: 1 * time.Minute}, []string{"v1", "v2"}, nil}, args{config}, false},
 		{"fail type ", fields{"", "name", []string{"account"}, false, false, zero, []string{"v1", "v2"}, nil}, args{config}, true},
 		{"fail name", fields{"AWS", "", []string{"account"}, false, false, zero, []string{"v1", "v2"}, nil}, args{config}, true},