diff --git a/libsolidity/codegen/ir/IRGenerator.cpp b/libsolidity/codegen/ir/IRGenerator.cpp
index eb7b7f833..9b2e05fe5 100644
--- a/libsolidity/codegen/ir/IRGenerator.cpp
+++ b/libsolidity/codegen/ir/IRGenerator.cpp
@@ -48,7 +48,8 @@ using namespace solidity;
 using namespace solidity::util;
 using namespace solidity::frontend;
 
-namespace {
+namespace
+{
 
 void verifyCallGraph(set<ASTNode const*, ASTNode::CompareByID> const& _nodes, set<string>& _functionList)
 {