diff --git a/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/install.rs b/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/install.rs
index c434b9dfa0..0734c0725e 100644
--- a/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/install.rs
+++ b/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/install.rs
@@ -18,6 +18,8 @@ use crate::util::{
 
 const LEGACY_WINDOW_INTERFACE_ALIASES: &[(&str, &str)] = &[
     ("webkitURL", "URL"),
+    ("SVGPoint", "DOMPoint"),
+    ("SVGMatrix", "DOMMatrix"),
     ("webkitAudioContext", "AudioContext"),
     ("WebKitCSSMatrix", "DOMMatrix"),
 ];
@@ -358,6 +360,9 @@ pub(crate) fn lazy_window_interface_names(scope: &mut v8::PinScope<'_, '_>) -> V
         .filter(|metadata| {
             metadata.installation == GlobalInstallation::Lazy
                 && metadata.is_exposed(RealmKind::Window, true)
+                && !LEGACY_WINDOW_INTERFACE_ALIASES
+                    .iter()
+                    .any(|(alias, _)| *alias == metadata.name)
         })
         .map(|metadata| metadata.name)
         .collect()
diff --git a/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/tests.rs b/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/tests.rs
index 0552e6f1d5..b04611cecd 100644
--- a/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/tests.rs
+++ b/moli-renderer-v8/src/context_bootstrap/exposed_interfaces/tests.rs
@@ -465,7 +465,10 @@ fn worker_geometry_interfaces_use_worker_specific_matrix_surface() {
             windowOnly: [
               Object.hasOwn(DOMMatrixReadOnly.prototype, "toString"),
               "setMatrixValue" in DOMMatrix.prototype,
-              "WebKitCSSMatrix" in globalThis
+              "WebKitCSSMatrix" in globalThis,
+              "SVGPoint" in globalThis,
+              "SVGRect" in globalThis,
+              "SVGMatrix" in globalThis
             ].join(","),
             operations: operationSets.every(([owner, operationNames]) =>
               operationNames.every(name => hasWebIdlOperationDescriptor(owner, name))
@@ -484,6 +487,6 @@ fn worker_geometry_interfaces_use_worker_specific_matrix_surface() {
 
     assert_eq!(
         result,
-        r#"{"constructors":"function,function,function,function,function,function,function","strings":"TypeError,TypeError","tags":"[object DOMMatrix],[object DOMMatrixReadOnly],[object DOMMatrix]","windowOnly":"false,false,false","operations":true,"lengths":"0,0"}"#
+        r#"{"constructors":"function,function,function,function,function,function,function","strings":"TypeError,TypeError","tags":"[object DOMMatrix],[object DOMMatrixReadOnly],[object DOMMatrix]","windowOnly":"false,false,false,false,false,false","operations":true,"lengths":"0,0"}"#
     );
 }
diff --git a/moli-renderer-v8/src/context_bootstrap/svg_runtime/builders.rs b/moli-renderer-v8/src/context_bootstrap/svg_runtime/builders.rs
index 470508af01..dc31ade813 100644
--- a/moli-renderer-v8/src/context_bootstrap/svg_runtime/builders.rs
+++ b/moli-renderer-v8/src/context_bootstrap/svg_runtime/builders.rs
@@ -416,6 +416,8 @@ pub(super) fn build_svg_matrix<'s>(
     scope: &mut v8::PinScope<'s, '_>,
     components: SvgMatrixComponents,
 ) -> v8::Local<'s, v8::Object> {
+    super::super::ensure_intrinsic_interface_prototype(scope, "SVGMatrix")
+        .expect("SVGMatrix compatibility prototype should materialize");
     SvgMatrixObjectDeclaration::new(
         components.a,
         components.b,
diff --git a/moli-renderer-v8/src/script_vm/tests/browser_api/misc.rs b/moli-renderer-v8/src/script_vm/tests/browser_api/misc.rs
index 63c7122376..b1dbd11eb0 100644
--- a/moli-renderer-v8/src/script_vm/tests/browser_api/misc.rs
+++ b/moli-renderer-v8/src/script_vm/tests/browser_api/misc.rs
@@ -5868,29 +5868,63 @@ fn dom_quad_factories_and_default_to_json_use_the_function_realm() {
 }
 
 #[test]
-fn dom_matrix_exposes_webkit_css_matrix_alias() {
-    let mut vm = new_storage_test_vm("https://dommatrix-webkit-alias.test/");
+fn geometry_exposes_legacy_window_aliases_without_replacing_native_svg_rect() {
+    let mut vm = new_storage_test_vm("https://geometry-legacy-window-aliases.test/");
 
     let result = vm
         .eval(
             r#"
 (() => {
-  const webkitDescriptor = Object.getOwnPropertyDescriptor(globalThis, "WebKitCSSMatrix");
-  const matrix = new WebKitCSSMatrix();
-  return [
-    WebKitCSSMatrix === DOMMatrix,
-    WebKitCSSMatrix.prototype === DOMMatrix.prototype,
-    WebKitCSSMatrix.name,
-    matrix instanceof DOMMatrix,
-    matrix instanceof DOMMatrixReadOnly,
-    [webkitDescriptor.writable, webkitDescriptor.enumerable, webkitDescriptor.configurable].join(",")
-  ].join("|");
+  const interfaces = ["SVGPoint", "SVGRect", "SVGMatrix", "WebKitCSSMatrix"];
+  const descriptorShape = name => {
+    const descriptor = Object.getOwnPropertyDescriptor(globalThis, name);
+    return [
+      descriptor.value === globalThis[name],
+      descriptor.writable,
+      descriptor.enumerable,
+      descriptor.configurable
+    ].join(",");
+  };
+  const point = new SVGPoint(1, 2);
+  const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
+  const rect = svg.createSVGRect();
+  rect.x = 3;
+  rect.y = 4;
+  rect.width = 5;
+  rect.height = 6;
+  const matrix = svg.createSVGMatrix();
+  matrix.a = 2;
+  return JSON.stringify({
+    identities: [
+      SVGPoint === DOMPoint,
+      SVGRect === DOMRect,
+      SVGMatrix === DOMMatrix,
+      WebKitCSSMatrix === DOMMatrix
+    ].join(","),
+    point: [point instanceof DOMPoint, point.x, point.y, String(point)].join(","),
+    rect: [rect instanceof SVGRect, rect instanceof DOMRect, rect.x, rect.height, String(rect)].join(","),
+    matrix: [
+      matrix instanceof DOMMatrix,
+      matrix instanceof SVGMatrix,
+      DOMMatrix.prototype.isPrototypeOf(matrix),
+      matrix.a,
+      Object.prototype.toString.call(matrix)
+    ].join(","),
+    descriptors: interfaces.map(descriptorShape).join("|")
+  });
 })()
 "#,
         )
-        .expect("DOMMatrix legacy Window aliases should evaluate");
+        .expect("Geometry legacy Window aliases should evaluate");
 
-    assert_eq!(result, "true|true|DOMMatrix|true|true|true,false,true");
+    assert_eq!(
+        result,
+        concat!(
+            r#"{"identities":"true,false,true,true","point":"true,1,2,[object DOMPoint]","rect":"true,false,3,6,[object SVGRect]","matrix":"true,true,true,2,[object SVGMatrix]","descriptors":""#,
+            "true,true,false,true|true,true,false,true|",
+            "true,true,false,true|true,true,false,true\"}"
+        )
+    );
 }
 
 #[test]
diff --git a/moli-renderer-v8/src/web_api_interfaces.rs b/moli-renderer-v8/src/web_api_interfaces.rs
index d15b735feb..127e8ea3fe 100644
--- a/moli-renderer-v8/src/web_api_interfaces.rs
+++ b/moli-renderer-v8/src/web_api_interfaces.rs
@@ -388,7 +388,7 @@ interfaces! {
     SVGLengthList;
     SVGLineElement: SVGGeometryElement;
     SVGLinearGradientElement: SVGGradientElement;
-    SVGMatrix;
+    SVGMatrix: DOMMatrix;
     SVGMetadataElement: SVGElement;
     SVGNumber;
     SVGNumberList;