diff --git a/testcases/t/144-regress-floating-resize.t b/testcases/t/144-regress-floating-resize.t
index de33eeb3..03318d7a 100644
--- a/testcases/t/144-regress-floating-resize.t
+++ b/testcases/t/144-regress-floating-resize.t
@@ -11,23 +11,24 @@ use List::Util qw(sum);
 
 my $tmp = fresh_workspace;
 
-cmd 'exec /usr/bin/urxvt';
-sleep 0.5;
-cmd 'exec /usr/bin/urxvt';
-sleep 0.5;
+my $first = open_window;
+my $second = open_window;
+
 my ($nodes, $focus) = get_ws_content($tmp);
 my $old_sum = sum map { $_->{rect}->{width} } @{$nodes};
-#cmd 'open';
+
 cmd 'resize grow left 10 px or 25 ppt';
 cmd 'split v';
-#cmd 'open';
-cmd 'exec /usr/bin/urxvt';
-sleep 0.5;
-cmd 'mode toggle';
-sleep 0.5;
-cmd 'kill';
 
-sleep 0.5;
+sync_with_i3;
+
+my $third = open_window;
+
+cmd 'mode toggle';
+sync_with_i3;
+
+cmd 'kill';
+sync_with_i3;
 
 ($nodes, $focus) = get_ws_content($tmp);
 my $new_sum = sum map { $_->{rect}->{width} } @{$nodes};