diff --git a/libsolidity/analysis/ControlFlowBuilder.cpp b/libsolidity/analysis/ControlFlowBuilder.cpp
index 25451c89d..a76775ad4 100644
--- a/libsolidity/analysis/ControlFlowBuilder.cpp
+++ b/libsolidity/analysis/ControlFlowBuilder.cpp
@@ -75,7 +75,7 @@ bool ControlFlowBuilder::visit(BinaryOperation const& _operation)
 		}
 		default:
 		{
-			ASTConstVisitor::visit(_operation);
+			bool result = ASTConstVisitor::visit(_operation);
 			if (_operation.annotation().userDefinedFunction)
 			{
 				solAssert(!m_currentNode->resolveFunctionCall(nullptr));
@@ -86,7 +86,7 @@ bool ControlFlowBuilder::visit(BinaryOperation const& _operation)
 				connect(m_currentNode, nextNode);
 				m_currentNode = nextNode;
 			}
-			return false;
+			return result;
 		}
 	}
 }