diff --git a/modules/admaruBidAdapter.js b/modules/admaruBidAdapter.js
index 65f62c77e26..f681a9a4191 100644
--- a/modules/admaruBidAdapter.js
+++ b/modules/admaruBidAdapter.js
@@ -5,6 +5,7 @@ const ADMARU_ENDPOINT = 'https://p1.admaru.net/AdCall';
 const BIDDER_CODE = 'admaru';
 
 const DEFAULT_BID_TTL = 360;
+const SYNC_URL = 'https://p2.admaru.net/UserSync/sync'
 
 function parseBid(rawBid, currency) {
   const bid = {};
@@ -75,7 +76,24 @@ export const spec = {
     }
 
     return bidResponses;
-  }
+  },
+
+  getUserSyncs: function (syncOptions, responses) {
+    if (syncOptions.iframeEnabled) {
+      return [{
+        type: 'iframe',
+        url: SYNC_URL
+      }];
+    }
+    if (syncOptions.pixelEnabled) {
+      return [{
+        type: 'image',
+        url: SYNC_URL
+      }];
+    }
+
+    return [];
+  },
 }
 
 registerBidder(spec);
diff --git a/test/spec/modules/admaruBidAdapter_spec.js b/test/spec/modules/admaruBidAdapter_spec.js
index a45ddae108f..813a4ed8b29 100644
--- a/test/spec/modules/admaruBidAdapter_spec.js
+++ b/test/spec/modules/admaruBidAdapter_spec.js
@@ -121,4 +121,52 @@ describe('Admaru Adapter', function () {
       expect(result.length).to.equal(0);
     });
   });
+
+  describe('getUserSyncs()', () => {
+    it('should return iframe user sync if iframe sync is enabled', () => {
+      const syncs = spec.getUserSyncs(
+        {
+          pixelEnabled: true,
+          iframeEnabled: true,
+        },
+        null
+      );
+
+      expect(syncs).to.deep.equal([
+        {
+          type: 'iframe',
+          url: 'https://p2.admaru.net/UserSync/sync',
+        },
+      ]);
+    });
+
+    it('should return image syncs if they are enabled and iframe is disabled', () => {
+      const syncs = spec.getUserSyncs(
+        {
+          pixelEnabled: true,
+          iframeEnabled: false,
+        },
+        null
+      );
+
+      expect(syncs).to.deep.equal([
+        {
+          type: 'image',
+          url: 'https://p2.admaru.net/UserSync/sync',
+        },
+      ]);
+    });
+
+    it('should not return user syncs if syncs are disabled', () => {
+      const syncs = spec.getUserSyncs(
+        {
+          pixelEnabled: false,
+          iframeEnabled: false,
+        },
+        null
+      );
+
+      expect(syncs).to.deep.equal([]);
+    });
+  });
 });