diff --git a/river/Root.zig b/river/Root.zig
index fe07e7e..d411739 100644
--- a/river/Root.zig
+++ b/river/Root.zig
@@ -137,7 +137,7 @@ fn startTransaction(self: *Self) void {
     var output_it = self.outputs.first;
     while (output_it) |node| : (output_it = node.next) {
         const output = &node.data;
-        var view_it = ViewStack(View).iterator(output.views.first, 0xFFFFFFFF);
+        var view_it = ViewStack(View).iterator(output.views.first, std.math.maxInt(u32));
         while (view_it.next()) |view_node| {
             const view = &view_node.view;
             // Clear the serial in case this transaction is interrupting a prior one.
@@ -222,7 +222,7 @@ fn commitTransaction(self: *Self) void {
             output.pending_focused_tags = null;
         }
 
-        var view_it = ViewStack(View).iterator(output.views.first, 0xFFFFFFFF);
+        var view_it = ViewStack(View).iterator(output.views.first, std.math.maxInt(u32));
         while (view_it.next()) |view_node| {
             const view = &view_node.view;
             // Ensure that all pending state is cleared
diff --git a/river/view_stack.zig b/river/view_stack.zig
index 0543d03..36be14b 100644
--- a/river/view_stack.zig
+++ b/river/view_stack.zig
@@ -275,7 +275,8 @@ test "push/remove (*View)" {
 
 test "iteration (View)" {
     const c = @import("c.zig");
-    const testing = @import("std").testing;
+    const std = @import("std");
+    const testing = std.testing;
 
     const allocator = testing.allocator;
 
@@ -315,7 +316,7 @@ test "iteration (View)" {
 
     // Iteration over all tags
     {
-        var it = ViewStack(View).iterator(views.first, 0xFFFFFFFF);
+        var it = ViewStack(View).iterator(views.first, std.math.maxInt(u32));
         testing.expect((if (it.next()) |node| &node.view else null) == &two_a.view);
         testing.expect((if (it.next()) |node| &node.view else null) == &five_b.view);
         testing.expect((if (it.next()) |node| &node.view else null) == &four_b.view);
@@ -349,7 +350,7 @@ test "iteration (View)" {
 
     // Reverse iteration over all tags
     {
-        var it = ViewStack(View).reverseIterator(views.last, 0xFFFFFFFF);
+        var it = ViewStack(View).reverseIterator(views.last, std.math.maxInt(u32));
         testing.expect((if (it.next()) |node| &node.view else null) == &three_b_pa.view);
         testing.expect((if (it.next()) |node| &node.view else null) == &one_a_pb.view);
         testing.expect((if (it.next()) |node| &node.view else null) == &four_b.view);