diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index f9d21a5..fe2e2ba 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -44,6 +44,7 @@
 # This moves test99.in to test99.in.bak temporarily.
 $(TEST_OUTFILES): $(DOSTMP)\$(*B).in
 	-@if exist test.out DEL test.out
+	-@if exist $(DOSTMP)\$(*B).out DEL $(DOSTMP)\$(*B).out
 	move $(*B).in $(*B).in.bak > nul
 	copy $(DOSTMP)\$(*B).in $(*B).in > nul
 	copy $(*B).ok test.ok > nul
diff --git a/src/version.c b/src/version.c
index 7f6d38f..ff1c9b8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    462,
+/**/
     461,
 /**/
     460,