diff --git a/lib/subghz/protocols/keeloq_common.c b/lib/subghz/protocols/keeloq_common.c
index 3df383f54..0fcdab6b1 100644
--- a/lib/subghz/protocols/keeloq_common.c
+++ b/lib/subghz/protocols/keeloq_common.c
@@ -90,7 +90,7 @@ inline uint64_t
  */
 
 inline uint64_t 
-    subghz_protocol_keeloq_common_faac_learning(const uint32_t seed, const uint32_t key) {
+    subghz_protocol_keeloq_common_faac_learning(const uint32_t seed, const uint64_t key) {
     uint16_t hs = seed >> 16;
     const uint16_t ending = 0x544D;
     uint32_t lsb = (uint32_t)hs << 16 | ending;
diff --git a/lib/subghz/protocols/keeloq_common.h b/lib/subghz/protocols/keeloq_common.h
index af2b99248..99d09d41c 100644
--- a/lib/subghz/protocols/keeloq_common.h
+++ b/lib/subghz/protocols/keeloq_common.h
@@ -73,4 +73,4 @@ uint64_t subghz_protocol_keeloq_common_magic_xor_type1_learning(uint32_t data, u
  * @param key - mfkey (64bit)
  * @return man_learning for this fix number (64bit)
  */
-uint64_t subghz_protocol_keeloq_common_faac_learning(const uint32_t seed, const uint32_t key);
+uint64_t subghz_protocol_keeloq_common_faac_learning(const uint32_t seed, const uint64_t key);