diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index ee0dd0c31..1c51c9d89 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -2736,7 +2736,7 @@ Function,-,strncat,char*,"char*, const char*, size_t"
 Function,+,strncmp,int,"const char*, const char*, size_t"
 Function,+,strncpy,char*,"char*, const char*, size_t"
 Function,-,strndup,char*,"const char*, size_t"
-Function,-,strnlen,size_t,"const char*, size_t"
+Function,+,strnlen,size_t,"const char*, size_t"
 Function,-,strnstr,char*,"const char*, const char*, size_t"
 Function,-,strpbrk,char*,"const char*, const char*"
 Function,-,strptime,char*,"const char*, const char*, tm*"