diff --git a/sink/sink20169.c b/sink/sink20169.c
index 9e260a4..8458a03 100644
--- a/sink/sink20169.c
+++ b/sink/sink20169.c
@@ -333,7 +333,7 @@ int main(int argc, char **argv) {
     bool doFork = false;
 
     int c;
-    while ((c = getopt(argc, argv, "f:vs:hn:")) != -1) {
+    while ((c = getopt(argc, argv, "f:vs:hn:b")) != -1) {
         switch (c) {
             case 'f':
                 configFilename = strdup(optarg);