diff --git a/src/browser/URL.zig b/src/browser/URL.zig
index c5177d95..356d2d55 100644
--- a/src/browser/URL.zig
+++ b/src/browser/URL.zig
@@ -95,7 +95,7 @@ pub fn resolve(allocator: Allocator, base: [:0]const u8, path: anytype, comptime
                 in_i += 2;
                 continue;
             }
-            if (out[in_i + 1] == '.' and out[in_i + 2] == '/') {  // always safe, because we added two whitespaces
+            if (out[in_i + 1] == '.' and out[in_i + 2] == '/') { // always safe, because we added two whitespaces
                 // /../
                 if (out_i > path_marker) {
                     // go back before the /
diff --git a/src/browser/parser/Parser.zig b/src/browser/parser/Parser.zig
index d2d952f4..49eb362b 100644
--- a/src/browser/parser/Parser.zig
+++ b/src/browser/parser/Parser.zig
@@ -24,6 +24,7 @@ const Page = @import("../Page.zig");
 const Node = @import("../webapi/Node.zig");
 const Element = @import("../webapi/Element.zig");
 const Allocator = std.mem.Allocator;
+const IS_DEBUG = @import("builtin").mode == .Debug;
 
 pub const ParsedNode = struct {
     node: *Node,
@@ -373,6 +374,17 @@ fn _appendCallback(self: *Parser, parent: *Node, node_or_text: h5e.NodeOrText) !
     switch (node_or_text.toUnion()) {
         .node => |cpn| {
             const child = getNode(cpn);
+            if (child._parent) |previous_parent| {
+                // html5ever says this can't happen, but we might be screwing up
+                // the node on our side. We shouldn't be, but we're seeing this
+                // in the wild, and I'm not sure why. In debug, let's crash so
+                // we can try to figure it out. In release, let's disconnect
+                // the child first.
+                if (comptime IS_DEBUG) {
+                    unreachable;
+                }
+                self._page.removeNode(previous_parent, child, .{ .will_be_reconnected = parent.isConnected() });
+            }
             try self.page.appendNew(parent, .{ .node = child });
         },
         .text => |txt| try self.page.appendNew(parent, .{ .text = txt }),
diff --git a/src/cdp/Node.zig b/src/cdp/Node.zig
index d11dd8bd..2997a438 100644
--- a/src/cdp/Node.zig
+++ b/src/cdp/Node.zig
@@ -356,7 +356,7 @@ test "cdp Node: Registry register" {
     }
 
     {
-        const dom_node = (try doc.querySelector(.wrap ("p"), page)).?.asNode();
+        const dom_node = (try doc.querySelector(.wrap("p"), page)).?.asNode();
         const node = try registry.register(dom_node);
         const n1b = registry.lookup_by_id.get(2).?;
         const n1c = registry.lookup_by_node.get(node.dom).?;
@@ -400,18 +400,18 @@ test "cdp Node: search list" {
         defer page._session.removePage();
         var doc = page.window._document;
 
-        const s1 = try search_list.create((try doc.querySelectorAll(.wrap ("a"), page))._nodes);
+        const s1 = try search_list.create((try doc.querySelectorAll(.wrap("a"), page))._nodes);
         try testing.expectEqual("1", s1.name);
         try testing.expectEqualSlices(u32, &.{ 1, 2 }, s1.node_ids);
 
         try testing.expectEqual(2, registry.lookup_by_id.count());
         try testing.expectEqual(2, registry.lookup_by_node.count());
 
-        const s2 = try search_list.create((try doc.querySelectorAll(.wrap ("#a1"), page))._nodes);
+        const s2 = try search_list.create((try doc.querySelectorAll(.wrap("#a1"), page))._nodes);
         try testing.expectEqual("2", s2.name);
         try testing.expectEqualSlices(u32, &.{1}, s2.node_ids);
 
-        const s3 = try search_list.create((try doc.querySelectorAll(.wrap ("#a2"), page))._nodes);
+        const s3 = try search_list.create((try doc.querySelectorAll(.wrap("#a2"), page))._nodes);
         try testing.expectEqual("3", s3.name);
         try testing.expectEqualSlices(u32, &.{2}, s3.node_ids);