diff --git a/libc/bionic/pthread_internal.h b/libc/bionic/pthread_internal.h
index 31ed07c..3825a4c 100644
--- a/libc/bionic/pthread_internal.h
+++ b/libc/bionic/pthread_internal.h
@@ -89,7 +89,7 @@
 __LIBC_HIDDEN__ extern pthread_internal_t* gThreadList;
 __LIBC_HIDDEN__ extern pthread_mutex_t gThreadListLock;
 
-__LIBC_HIDDEN__ int __timespec_to_absolute(timespec*, const timespec*, clockid_t);
+__LIBC_HIDDEN__ int __timespec_from_absolute(timespec*, const timespec*, clockid_t);
 
 /* needed by fork.c */
 __LIBC_HIDDEN__ extern void __timer_table_start_stop(int);