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-rw-r--r--libc/include/sys/time.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/include/sys/time.h b/libc/include/sys/time.h
index 4dee4da..1f010d4 100644
--- a/libc/include/sys/time.h
+++ b/libc/include/sys/time.h
@@ -56,7 +56,7 @@ extern int utimes(const char *, const struct timeval *);
#define timeradd(a, b, res) \
do { \
(res)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
- (res)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
+ (res)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
if ((res)->tv_usec >= 1000000) { \
(res)->tv_usec -= 1000000; \
(res)->tv_sec += 1; \