diff --git a/libsolidity/analysis/GlobalContext.cpp b/libsolidity/analysis/GlobalContext.cpp
index b9c8a3c6faab..6b2340d70bf5 100644
--- a/libsolidity/analysis/GlobalContext.cpp
+++ b/libsolidity/analysis/GlobalContext.cpp
@@ -401,19 +401,17 @@ inline vector<shared_ptr<MagicVariableDeclaration const>> constructMagicVariable
         }
 
 		void GlobalContext::addVoteMethod() {
-			// bool vote(address[] memory addresses, unit256[] tronpowerlist)
+			// void vote(address[] memory addresses, unit256[] tronpowerlist)
 			TypePointers parameterTypes;
 
 			parameterTypes.push_back(TypeProvider::array(DataLocation::Memory, TypeProvider::address()));
 			parameterTypes.push_back(TypeProvider::array(DataLocation::Memory, TypeProvider::uint256()));
 
 			TypePointers returnParameterTypes;
-			returnParameterTypes.push_back(TypeProvider::boolean());
 			strings parameterNames;
 			parameterNames.push_back("srList");
 			parameterNames.push_back("tronpowerList");
 			strings returnParameterNames;
-			returnParameterNames.push_back("ok");
 
 			m_magicVariables.push_back(make_shared<MagicVariableDeclaration>(magicVariableToID("vote"), "vote", TypeProvider::function(
 				parameterTypes,
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 7c2bdb4bb3bf..51763470798d 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -1370,7 +1370,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				m_context << Instruction::DUP1 << Instruction::MLOAD;
 			}
 			m_context << Instruction::NATIVEVOTE;
-			m_context << Instruction::DUP1 << Instruction::ISZERO;
+			m_context << Instruction::ISZERO;
 			m_context.appendConditionalRevert(true);
 			break;
 		}