diff --git a/types/url-search-params/index.d.ts b/types/url-search-params/index.d.ts
index 42cca9ca21..c58357a909 100644
--- a/types/url-search-params/index.d.ts
+++ b/types/url-search-params/index.d.ts
@@ -9,7 +9,7 @@ declare class URLSearchParams {
     append(name: string, value: any): void;
     delete(name: string): void;
     entries(): Iterator<string>;
-    get(name: string): string;
+    get(name: string): string | null;
     getAll(name: string): string[];
     has(name: string): boolean;
     keys(): Iterator<string>;
diff --git a/types/url-search-params/url-search-params-tests.ts b/types/url-search-params/url-search-params-tests.ts
index 94664f5a5c..c468c692d0 100644
--- a/types/url-search-params/url-search-params-tests.ts
+++ b/types/url-search-params/url-search-params-tests.ts
@@ -11,6 +11,8 @@ params.entries();
 
 params.get("b");
 
+params.get("d");
+
 params.getAll("b");
 
 params.has("b");