diff --git a/example/test.ts b/example/test.ts
new file mode 100644
index 0000000..d2ca796
--- /dev/null
+++ b/example/test.ts
@@ -0,0 +1,16 @@
+import {MangroveReviews} from "../lib";
+
+async function example() : Promise<void>{
+
+    const subReviews = await MangroveReviews.getReviews({
+        sub: "geo:51.4954589,11.9659188",
+        q: "verwöner",
+        u: 30,
+        issuers: true,
+        maresi_subjects: true
+    });
+
+    console.log(subReviews.reviews);
+}
+
+example()
\ No newline at end of file
diff --git a/lib/Mangrove-reviews.ts b/lib/Mangrove-reviews.ts
index 2e22e80..beb10ca 100644
--- a/lib/Mangrove-reviews.ts
+++ b/lib/Mangrove-reviews.ts
@@ -59,6 +59,12 @@ export interface QueryParameters {
      */
     maresi_subjects?: boolean
 
+    /**
+     * Only used for 'geo:'-queries
+     * uncertainty in meters
+     */
+    u?: number
+
 }
 
 export class MangroveReviews {
@@ -80,7 +86,7 @@ export class MangroveReviews {
             .setProtectedHeader({
                 alg: algo,
                 kid,
-                jwk: <any> jwk,
+                jwk: <any>jwk,
                 enc: "utf-8"
             })
             .sign(keypair.privateKey);
@@ -127,6 +133,21 @@ export class MangroveReviews {
             maresi_subjects?: any[],
             issuers?: any[]
         }> {
+        if (query.sub?.startsWith("geo:")) {
+            const parts = []
+            if (query.q) {
+                parts.push("q=" + encodeURIComponent(query.q))
+                delete query.q
+            }
+            if (query.u) {
+                parts.push("u=" + query.u)
+                delete query.u
+            }
+            if (parts.length > 0) {
+                query.sub = query.sub + "?" + parts.join("&")
+            }
+
+        }
         const {data} = await axios.get(`${api}/reviews`, {
             params: query,
             headers: {'Content-Type': 'application/json'}
diff --git a/package.json b/package.json
index c171226..34e41f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mangrove-reviews-typescript",
-  "version": "1.1.0",
+  "version": "1.3.0",
   "description": "A library to interface with Mangrove.reviews",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",