diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp
index dd133aea6..546452890 100644
--- a/libsolidity/codegen/CompilerUtils.cpp
+++ b/libsolidity/codegen/CompilerUtils.cpp
@@ -666,6 +666,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
 		solAssert(_targetType == _typeOnStack, "Invalid conversion for bool.");
 		if (_cleanupNeeded)
 			m_context << Instruction::ISZERO << Instruction::ISZERO;
+		break;
 	default:
 		// All other types should not be convertible to non-equal types.
 		solAssert(_typeOnStack == _targetType, "Invalid type conversion requested.");