diff --git a/src/system/libroot/posix/stdlib/Jamfile b/src/system/libroot/posix/stdlib/Jamfile
index dd2711e0ad..388f1368e4 100644
--- a/src/system/libroot/posix/stdlib/Jamfile
+++ b/src/system/libroot/posix/stdlib/Jamfile
@@ -11,7 +11,7 @@ MergeObject posix_stdlib.o :
 	bsearch.c
 	div.c
 	env.cpp
-	exit.c
+	exit.cpp
 	getsubopt.cpp
 	heapsort.c
 	merge.c
diff --git a/src/system/libroot/posix/stdlib/exit.c b/src/system/libroot/posix/stdlib/exit.cpp
similarity index 96%
rename from src/system/libroot/posix/stdlib/exit.c
rename to src/system/libroot/posix/stdlib/exit.cpp
index b27b5b9220..8e4080abae 100644
--- a/src/system/libroot/posix/stdlib/exit.c
+++ b/src/system/libroot/posix/stdlib/exit.cpp
@@ -21,8 +21,8 @@
 #include <syscalls.h>
 
 
-extern void _IO_cleanup(void);
-extern void _thread_do_exit_work(void);
+extern "C" void _IO_cleanup(void);
+extern "C" void _thread_do_exit_work(void);
 
 struct exit_stack_info {
 	void			(*exit_stack[ATEXIT_MAX])(void);