diff --git a/contracts/votingMachines/VotingMachineCallbacks.sol b/contracts/votingMachines/VotingMachineCallbacks.sol
index 99d4dcfb..499c0976 100644
--- a/contracts/votingMachines/VotingMachineCallbacks.sol
+++ b/contracts/votingMachines/VotingMachineCallbacks.sol
@@ -4,6 +4,7 @@ import "../universalSchemes/UniversalScheme.sol";
 import "@daostack/infra/contracts/votingMachines/GenesisProtocol.sol";
 
 
+
 contract VotingMachineCallbacks is VotingMachineCallbacksInterface {
 
     struct ProposalInfo {
@@ -16,6 +17,14 @@ contract VotingMachineCallbacks is VotingMachineCallbacksInterface {
         _;
     }
 
+    modifier onlyRegisteredScheme(bytes32 _proposalId) {
+        Avatar avatar = proposalsInfo[msg.sender][_proposalId].avatar;
+        require(Controller(avatar.owner()).isSchemeRegistered(address(this), address(avatar)),
+            "scheme is not registered"
+        );
+        _;
+    }
+
     // VotingMaching  ->  proposalId  ->  ProposalInfo
     mapping(address => mapping(bytes32 => ProposalInfo)) public proposalsInfo;
 
@@ -67,7 +76,11 @@ contract VotingMachineCallbacks is VotingMachineCallbacksInterface {
         return _stakingToken.balanceOf(address(avatar));
     }
 
-    function getTotalReputationSupply(bytes32 _proposalId) external view returns(uint256) {
+    function getTotalReputationSupply(bytes32 _proposalId)
+    external
+    view
+    onlyRegisteredScheme(_proposalId)
+    returns(uint256) {
         ProposalInfo memory proposal = proposalsInfo[msg.sender][_proposalId];
         if (proposal.avatar == Avatar(0)) {
             return 0;
@@ -75,7 +88,11 @@ contract VotingMachineCallbacks is VotingMachineCallbacksInterface {
         return proposal.avatar.nativeReputation().totalSupplyAt(proposal.blockNumber);
     }
 
-    function reputationOf(address _owner, bytes32 _proposalId) external view returns(uint256) {
+    function reputationOf(address _owner, bytes32 _proposalId)
+    external
+    view
+    onlyRegisteredScheme(_proposalId)
+    returns(uint256) {
         ProposalInfo memory proposal = proposalsInfo[msg.sender][_proposalId];
         if (proposal.avatar == Avatar(0)) {
             return 0;
diff --git a/package-lock.json b/package-lock.json
index dfe2b937..0361a2ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@daostack/arc",
-  "version": "0.0.1-rc.48",
+  "version": "0.0.1-rc.49",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f3c46468..bb30fcc3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@daostack/arc",
-  "version": "0.0.1-rc.48",
+  "version": "0.0.1-rc.49",
   "description": "A platform for building DAOs",
   "files": [
     "contracts/",
diff --git a/test/schemeregistrar.js b/test/schemeregistrar.js
index e5cfc469..c1a66b05 100644
--- a/test/schemeregistrar.js
+++ b/test/schemeregistrar.js
@@ -195,6 +195,29 @@ contract('SchemeRegistrar', accounts => {
           var organizationProposal = await testSetup.schemeRegistrar.organizationsProposals(testSetup.org.avatar.address,proposalId);
           assert.equal(organizationProposal[2],0);//proposalType
          });
+
+         it("cannot propose in removed scheme", async function() {
+          var testSetup = await setup(accounts);
+
+          var tx = await testSetup.schemeRegistrar.proposeToRemoveScheme(testSetup.org.avatar.address,testSetup.schemeRegistrar.address,helpers.NULL_HASH);
+          var proposalId = await helpers.getValueFromLogs(tx, '_proposalId',1);
+          var controller = await Controller.at(await testSetup.org.avatar.owner());
+          assert.equal(await controller.isSchemeRegistered(testSetup.schemeRegistrar.address,testSetup.org.avatar.address),true);
+          //Vote with reputation to trigger execution
+          await testSetup.schemeRegistrarParams.votingMachine.absoluteVote.vote(proposalId,1,0,helpers.NULL_ADDRESS,{from:accounts[2]});
+          assert.equal(await controller.isSchemeRegistered(testSetup.schemeRegistrar.address,testSetup.org.avatar.address),false);
+          //check organizationsProposals after execution
+          var organizationProposal = await testSetup.schemeRegistrar.organizationsProposals(testSetup.org.avatar.address,proposalId);
+          assert.equal(organizationProposal[2],0);//proposalType
+
+          try {
+            await testSetup.schemeRegistrar.proposeToRemoveScheme(testSetup.org.avatar.address,testSetup.schemeRegistrar.address,helpers.NULL_HASH);
+            assert(false, "should fail to propose to unregistered scheme");
+          } catch(ex){
+            helpers.assertVMException(ex);
+          }
+         });
+
    it("execute proposeScheme  and execute -yes - autoRegisterOrganization==TRUE arc scheme", async function() {
      var testSetup = await setup(accounts);