diff --git a/src/flamenco/runtime/fd_bank.c b/src/flamenco/runtime/fd_bank.c
index fc13a1774b..12a3cab079 100644
--- a/src/flamenco/runtime/fd_bank.c
+++ b/src/flamenco/runtime/fd_bank.c
@@ -445,6 +445,7 @@ fd_banks_get_bank( fd_banks_t * banks, ulong slot ) {
   bank = fd_banks_map_ele_query( bank_map, &slot, NULL, bank_pool );
   if( FD_UNLIKELY( !bank ) ) {
     FD_LOG_WARNING(( "Failed to get bank" ));
+    fd_rwlock_unread( &banks->rwlock );
     return NULL;
   }