diff --git a/os/rt/include/chvt.h b/os/rt/include/chvt.h
index b4573d7a9..754483649 100644
--- a/os/rt/include/chvt.h
+++ b/os/rt/include/chvt.h
@@ -67,7 +67,7 @@
 #endif
 
 #if CH_CFG_ST_FREQUENCY <= 0
-#error "invalid CH_CFG_ST_FREQUENCY specified, must be greated than zero"
+#error "invalid CH_CFG_ST_FREQUENCY specified, must be greater than zero"
 #endif
 
 #if (CH_CFG_ST_TIMEDELTA < 0) || (CH_CFG_ST_TIMEDELTA == 1)