1 files changed, 1 insertions, 0 deletions

diff --git a/src/firejail/usage.c b/src/firejail/usage.c
index 52d4f7c03..c98ad3620 100644
--- a/src/firejail/usage.c
+++ b/src/firejail/usage.c
@@ -60,6 +60,7 @@ static char *usage_str =
         "    --debug-private-lib - debug for --private-lib option.\n"
         "    --debug-protocols - print all recognized protocols.\n"
         "    --debug-syscalls - print all recognized system calls.\n"
+        "    --debug-syscalls32 - print all recognized 32 bit system calls.\n"
 #ifdef HAVE_WHITELIST
         "    --debug-whitelists - debug whitelisting.\n"
 #endif