diff --git a/usr.bin/mt/mt.c b/usr.bin/mt/mt.c
index 783f3de1afb8..a788b3084e96 100644
--- a/usr.bin/mt/mt.c
+++ b/usr.bin/mt/mt.c
@@ -94,7 +94,7 @@ struct commands {
 	{ "density",	MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY },
 	{ "eom",	MTEOD, 1 },
 	{ "comp",	MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED },
-	{ "retens",	MTRETENS, 1 },
+	{ "retension",	MTRETENS, 1 },
 #endif /* defined(__FreeBSD__) */
 	{ NULL }
 };