diff --git a/src/include/sleep.h b/src/include/sleep.h
index 808fbc560..51c4ac5d0 100644
--- a/src/include/sleep.h
+++ b/src/include/sleep.h
@@ -55,7 +55,7 @@ extern "C" {
 #define chThdSleepUntil(t) {                                            \
   chSysLock();                                                          \
   chSchGoSleepTimeoutS(PRSLEEP,                                         \
-                      (systime_t)((t) - chSysGetTime()))                \
+                      (systime_t)((t) - chSysGetTime()));               \
   chSysUnlock();                                                        \
 }
 #endif /* CH_USE_SYSTEMTIME */