diff --git a/applications/main/subghz/helpers/subghz_gen_info.c b/applications/main/subghz/helpers/subghz_gen_info.c
index f9574d40d..bce3d6856 100644
--- a/applications/main/subghz/helpers/subghz_gen_info.c
+++ b/applications/main/subghz/helpers/subghz_gen_info.c
@@ -528,7 +528,7 @@ void subghz_scene_set_type_fill_generation_infos(GenInfo* infos_dest, SetType ty
             .type = GenSomfyKeytis,
             .mod = "AM650",
             .freq = 433420000,
-            .somfy_keytis.serial = (key & 0x000FFFFF) | 0x0D500000,
+            .somfy_keytis.serial = (key & 0x0000FFFF) | 0x00D50000,
             .somfy_keytis.btn = 0x04,
             .somfy_keytis.cnt = 0x03};
         break;
diff --git a/lib/subghz/protocols/somfy_keytis.c b/lib/subghz/protocols/somfy_keytis.c
index 2825ea7a0..cf03f4b4d 100644
--- a/lib/subghz/protocols/somfy_keytis.c
+++ b/lib/subghz/protocols/somfy_keytis.c
@@ -250,7 +250,7 @@ bool subghz_protocol_somfy_keytis_create_data(
     }
 
     if((res == SubGhzProtocolStatusOk) &&
-       !flipper_format_write_uint32(
+       !flipper_format_insert_or_update_uint32(
            flipper_format, "Duration_Counter", &instance->generic.seed, 1)) {
         FURI_LOG_E(TAG, "Unable to add Duration_Counter");
         res = SubGhzProtocolStatusErrorParserOthers;