diff --git a/.gitignore b/.gitignore
index d359e0c96..6a6c27d38 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@ GTAGS
 src/lib/test_exchange_api
 doc/doxygen/doxygen_sqlite3.db
 src/auditor/taler-auditor
+src/auditor/taler-auditor-sign
 src/bank-lib/test_bank_api
 src/bank-lib/test_bank_api_with_fakebank
 src/exchange-lib/test_exchange_api