diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index e12bbf3c5..304a895f2 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -2570,7 +2570,7 @@ Function,+,scene_manager_stop,void,SceneManager*
 Function,+,sd_api_get_fs_type_text,const char*,SDFsType
 Function,-,secplus2_get_custom_btn,uint8_t,
 Function,-,secplus2_get_original_btn,uint8_t,
-Function,-,secplus2_reset_original_btn,void,
+Function,+,secplus2_reset_original_btn,void,
 Function,-,secplus2_set_btn,void,uint8_t
 Function,-,secure_getenv,char*,const char*
 Function,-,seed48,unsigned short*,unsigned short[3]
diff --git a/lib/subghz/protocols/secplus_v2.h b/lib/subghz/protocols/secplus_v2.h
index 155d943b2..4d9d5df00 100644
--- a/lib/subghz/protocols/secplus_v2.h
+++ b/lib/subghz/protocols/secplus_v2.h
@@ -1,6 +1,10 @@
 #pragma once
 #include "base.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define SUBGHZ_PROTOCOL_SECPLUS_V2_NAME "Security+ 2.0"
 
 typedef struct SubGhzProtocolDecoderSecPlus_v2 SubGhzProtocolDecoderSecPlus_v2;
@@ -133,3 +137,7 @@ SubGhzProtocolStatus
  * @param output Resulting text
  */
 void subghz_protocol_decoder_secplus_v2_get_string(void* context, FuriString* output);
+
+#ifdef __cplusplus
+}
+#endif