diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index c3f670579..43f6b73e8 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -3820,7 +3820,7 @@ struct TALER_EXCHANGEDB_Plugin
   (*insert_age_withdraw_reveal)(
     void *cls,
     uint64_t h_commitment,
-    uint32_t num_coins,
+    uint32_t num_coins
     /* TODO: oec */
     );