diff --git a/lib/common/defaults.js b/lib/common/defaults.js
index c2c8f80..2a0af10 100644
--- a/lib/common/defaults.js
+++ b/lib/common/defaults.js
@@ -14,10 +14,10 @@ Defaults.MAX_KEYS = 100;
 Defaults.DELETE_LOCKTIME = 1 * 3600;
 
 // Allowed consecutive txp rejections before backoff is applied.
-Defaults.BACKOFF_OFFSET = 3;
+Defaults.BACKOFF_OFFSET = 10;
 
-// Time a copayer need to wait to create a new TX after her tx previous proposal we rejected. (incremental). in Minutes.
-Defaults.BACKOFF_TIME = 2;
+// Time a copayer need to wait to create a new TX after her tx previous proposal we rejected. in seconds.
+Defaults.BACKOFF_TIME = 1 * 3600;
 
 Defaults.MAX_MAIN_ADDRESS_GAP = 20;
 
diff --git a/lib/server.js b/lib/server.js
index 1eefa57..8809e19 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -1532,7 +1532,7 @@ WalletService.prototype._canCreateTx = function(cb) {
     var lastTxTs = txs[0].createdOn;
     var now = Math.floor(Date.now() / 1000);
     var timeSinceLastRejection = now - lastTxTs;
-    var backoffTime = 60 * Math.pow(Defaults.BACKOFF_TIME, exceededRejections);
+    var backoffTime = Defaults.BACKOFF_TIME;
 
     if (timeSinceLastRejection <= backoffTime)
       log.debug('Not allowing to create TX: timeSinceLastRejection/backoffTime', timeSinceLastRejection, backoffTime);
diff --git a/test/integration/server.js b/test/integration/server.js
index c9f1832..a1ddbd2 100644
--- a/test/integration/server.js
+++ b/test/integration/server.js
@@ -3116,9 +3116,10 @@ describe('Wallet service', function() {
     });
 
     describe('Backoff time', function(done) {
-      var server, wallet, txid;
-
+      var server, wallet, txid, clock;
+      var _oldBackoffOffset = Defaults.BACKOFF_OFFSET;
       beforeEach(function(done) {
+        Defaults.BACKOFF_OFFSET = 3;
         helpers.createAndJoinWallet(2, 2, function(s, w) {
           server = s;
           wallet = w;
@@ -3127,8 +3128,14 @@ describe('Wallet service', function() {
           });
         });
       });
+      afterEach(function(done) {
+        Defaults.BACKOFF_OFFSET = _oldBackoffOffset;
+        clock.restore();
+        done();
+      });
 
       it('should follow backoff time after consecutive rejections', function(done) {
+        clock = sinon.useFakeTimers(Date.now(), 'Date');
         async.series([
 
           function(next) {
@@ -3164,10 +3171,10 @@ describe('Wallet service', function() {
             });
           },
           function(next) {
-            var clock = sinon.useFakeTimers(Date.now() + (Defaults.BACKOFF_TIME + 2) * 60 * 1000, 'Date');
+            clock.tick((Defaults.BACKOFF_TIME + 1) * 1000);
             var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 1, TestData.copayers[0].privKey_1H_0);
             server.createTxLegacy(txOpts, function(err, tx) {
-              clock.restore();
+              should.not.exist(err);
               server.rejectTx({
                 txProposalId: tx.id,
                 reason: 'some reason',
@@ -3176,15 +3183,25 @@ describe('Wallet service', function() {
           },
           function(next) {
             // Do not allow a 5th tx before backoff time
-            var clock = sinon.useFakeTimers(Date.now() + (Defaults.BACKOFF_TIME + 2) * 60 * 1000 + 1, 'Date');
+            clock.tick((Defaults.BACKOFF_TIME - 1) * 1000);
             var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 1, TestData.copayers[0].privKey_1H_0);
             server.createTxLegacy(txOpts, function(err, tx) {
-              clock.restore();
               should.exist(err);
               err.code.should.equal('TX_CANNOT_CREATE');
               next();
             });
           },
+          function(next) {
+            clock.tick(2000);
+            var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 1, TestData.copayers[0].privKey_1H_0);
+            server.createTxLegacy(txOpts, function(err, tx) {
+              should.not.exist(err);
+              server.rejectTx({
+                txProposalId: tx.id,
+                reason: 'some reason',
+              }, next);
+            });
+          },
         ], function(err) {
           should.not.exist(err);
           done();