diff --git a/CallGraph.cpp b/CallGraph.cpp
index 48666ca7f..b30afb612 100644
--- a/CallGraph.cpp
+++ b/CallGraph.cpp
@@ -26,8 +26,10 @@
 
 using namespace std;
 
-namespace dev {
-namespace solidity {
+namespace dev
+{
+namespace solidity
+{
 
 void CallGraph::addFunction(FunctionDefinition const& _function)
 {
diff --git a/CallGraph.h b/CallGraph.h
index 986e4dc4a..f7af64bff 100644
--- a/CallGraph.h
+++ b/CallGraph.h
@@ -25,8 +25,10 @@
 #include <boost/range/iterator_range.hpp>
 #include <libsolidity/ASTVisitor.h>
 
-namespace dev {
-namespace solidity {
+namespace dev
+{
+namespace solidity
+{
 
 /**
  * Can be used to compute the graph of calls (or rather references) between functions of the same