1 files changed, 2 insertions, 1 deletions

diff --git a/firmware/libc/include/stdlib.h b/firmware/libc/include/stdlib.h
index 5f6db6da8a..57553367c4 100644
--- a/firmware/libc/include/stdlib.h
+++ b/firmware/libc/include/stdlib.h
@@ -29,6 +29,7 @@ void *malloc(size_t);
 void *calloc (size_t nmemb, size_t size);
 void free(void *);
 void *realloc(void *, size_t);
+int  atexit(void (*)(void));
 
 #define RAND_MAX INT_MAX
 
@@ -51,7 +52,7 @@ void exit(int status);
 #endif
 
 int atoi (const char *str);
-    
+
 #ifdef __cplusplus
 }
 #endif