diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2901bfec8e..468e1a3d85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 ### 🐞 Bug fixes
 
+- Correct declared return type of `Map.getLayer()` and `Style.getLayer()` to be `StyleLayer | undefined` to match the documentation.
 - _...Add new stuff here..._
 
 ## 3.3.0
diff --git a/src/style/style.ts b/src/style/style.ts
index 5777131458..9b7e4ef180 100644
--- a/src/style/style.ts
+++ b/src/style/style.ts
@@ -994,7 +994,7 @@ export class Style extends Evented {
      * @param id - id of the desired layer
      * @returns a layer, if one with the given `id` exists
      */
-    getLayer(id: string): StyleLayer {
+    getLayer(id: string): StyleLayer | undefined {
         return this._layers[id];
     }
 
diff --git a/src/ui/map.ts b/src/ui/map.ts
index 7220bd9811..d9e51276c1 100644
--- a/src/ui/map.ts
+++ b/src/ui/map.ts
@@ -2475,7 +2475,7 @@ export class Map extends Camera {
      * @see [Filter symbols by toggling a list](https://maplibre.org/maplibre-gl-js/docs/examples/filter-markers/)
      * @see [Filter symbols by text input](https://maplibre.org/maplibre-gl-js/docs/examples/filter-markers-by-input/)
      */
-    getLayer(id: string): StyleLayer {
+    getLayer(id: string): StyleLayer | undefined {
         return this.style.getLayer(id);
     }