diff --git a/example/dut_mode_classic.c b/example/dut_mode_classic.c
index 15aedaad4..bdede71a3 100644
--- a/example/dut_mode_classic.c
+++ b/example/dut_mode_classic.c
@@ -110,6 +110,9 @@ int btstack_main(int argc, const char * argv[]) {
     (void)argc;
     (void)argv;
 
+    // disable Secure Simple Pairinng
+    gap_ssp_set_enable(0);
+
     // make device connectable
     // @note: gap_connectable_control will be enabled when an L2CAP service 
     // (e.g. RFCOMM) is initialized). Therefore, it's not needed in regular applications