diff --git a/sys/kern/imgact_gzip.c b/sys/kern/imgact_gzip.c
index 676d37f70718..c6d73ebad526 100644
--- a/sys/kern/imgact_gzip.c
+++ b/sys/kern/imgact_gzip.c
@@ -206,7 +206,7 @@ do_aout_hdr(struct imgact_gzip * gz)
 	/*
 	 * text/data/bss must not exceed limits
 	 */
-	mtx_assert(&Giant, MA_OWNWED);
+	mtx_assert(&Giant, MA_OWNED);
 	if (			/* text can't exceed maximum text size */
 	    gz->a_out.a_text > MAXTSIZ ||