diff --git a/lpst.pl b/lpst.pl
index b554015..275cc89 100644
--- a/lpst.pl
+++ b/lpst.pl
@@ -589,26 +589,21 @@ sub shade_move($$){
     my ($not, $en) = (shift, shift);
     my $c1;
     my @mv1;
-    my @mv2;
 
     $c1 = cell_pi($not);
 
-    @mv1 = map {
-	$_
-    } grep {
-	($_->{"type"} && $en) eq $en
-    }@{$MOVE{$c1}};
-
-    @mv2 = grep {
+    @mv1 = grep {
 	$_ if $_->[0] ne $ERR_C_1;
     } map {
 	[
 	 calc_move($not, $_->{"mov"}),
 	 $_->{"type"}
 	]
-    } @mv1;
+    } grep {
+	($_->{"type"} && $en) eq $en
+    } @{$MOVE{$c1}};
     
-    for my $mv (@mv2){
+    for my $mv (@mv1){
 	shade_cell($mv->[0], $mv->[1]);
     }
 }