diff --git a/fabric-client/lib/Channel.js b/fabric-client/lib/Channel.js
index 64c20fd5b8..16d05f38d5 100755
--- a/fabric-client/lib/Channel.js
+++ b/fabric-client/lib/Channel.js
@@ -3313,6 +3313,9 @@ const Channel = class {
 		if (!proposal_response) {
 			throw new Error('Missing proposal response');
 		}
+		if (proposal_response instanceof Error) {
+			return false;
+		}
 		if (!proposal_response.endorsement) {
 			throw new Error('Parameter must be a ProposalResponse Object');
 		}
@@ -3382,6 +3385,10 @@ const Channel = class {
 			throw new Error('proposal_responses is empty');
 		}
 
+		if (proposal_responses.some((response) => response instanceof Error)) {
+			return false;
+		}
+
 		const first_one = _getProposalResponseResults(proposal_responses[0]);
 		for (let i = 1; i < proposal_responses.length; i++) {
 			const next_one = _getProposalResponseResults(proposal_responses[i]);
diff --git a/fabric-client/test/Channel.js b/fabric-client/test/Channel.js
index 57dc9c7fa5..2fd19f147a 100644
--- a/fabric-client/test/Channel.js
+++ b/fabric-client/test/Channel.js
@@ -618,6 +618,13 @@ describe('Channel', () => {
 			const result = channel.compareProposalResponseResults([proposalResponse1, proposalResponse2]);
 			expect(result).to.be.false;
 		});
+
+		it('returns false if any proposal responses are Error objects', () => {
+			const proposalResponse1 = createProposalResponse('foo');
+			const proposalResponse2 = new Error('bah');
+			const result = channel.compareProposalResponseResults([proposalResponse1, proposalResponse2]);
+			expect(result).to.be.false;
+		});
 	});
 
 	describe('#generateUnsignedProposal', () => {
@@ -760,6 +767,12 @@ describe('Channel', () => {
 			const result = channel.verifyProposalResponse(proposalResponse);
 			expect(result).to.be.true;
 		});
+
+		it('returns false if the proposal response is an error', () => {
+			const proposalResponse = new Error('sadface');
+			const result = channel.verifyProposalResponse(proposalResponse);
+			expect(result).to.be.false;
+		});
 	});
 
 	describe('#generateUnsignedTransaction', () => {