diff --git a/build/fs/sys.rc b/build/fs/sys.rc
index 368f409..e8597ed 100644
--- a/build/fs/sys.rc
+++ b/build/fs/sys.rc
@@ -1,8 +1,8 @@
-chrm ken ops.s
-ln dmr ops.s ops.s
-as sop.s ops.s maksys.s
+rm op.s
+link dmr op.s
+as sop.s op.s maksys.s
 mv a.out maksys
-as sop.s ops.s trysys.s
+as sop.s op.s trysys.s
 mv a.out trysys
-chrm ken ops.s
+rm op.s
 as sop.s s1.s s2.s s3.s s4.s s5.s s6.s s7.s s8.s