diff --git a/packages/taler-wallet-cli/src/lint.ts b/packages/taler-wallet-cli/src/lint.ts
index 6c9f1417e..f88865952 100644
--- a/packages/taler-wallet-cli/src/lint.ts
+++ b/packages/taler-wallet-cli/src/lint.ts
@@ -226,7 +226,7 @@ async function checkWireConfig(context: LintContext): Promise<void> {
       const res = await sh(
         context,
         "su -l --shell /bin/sh " +
-          `-c 'taler-exchange-wire-gateway-client -s exchange-accountcredentials-${acc} --credit-history'` +
+          `-c 'taler-exchange-wire-gateway-client -s exchange-accountcredentials-${acc} --credit-history' ` +
           "taler-exchange-wire",
       );
       if (res.status != 0) {