1 files changed, 2 insertions, 1 deletions

diff --git a/src/firejail/sandbox.c b/src/firejail/sandbox.c
index d9ce717e0..79ed473c0 100644
--- a/src/firejail/sandbox.c
+++ b/src/firejail/sandbox.c
@@ -425,7 +425,8 @@ int sandbox(void* sandbox_arg) {
 #ifdef HAVE_SECCOMP
         // install protocol filter
         if (cfg.protocol) {
-                protocol_filter();              
+                protocol_filter();      // install filter       
+                protocol_filter_save(); // save filter in PROTOCOL_CFG
         }
 
         // if a keep list is available, disregard the drop list