diff --git a/Param/Node/INode.h b/Param/Node/INode.h
index 0d1df0fe08f4a5e56b9377e0cb2d75b617ead0fe..e057aea06b6ed81ca0456f902708041576718e54 100644
--- a/Param/Node/INode.h
+++ b/Param/Node/INode.h
@@ -51,17 +51,32 @@ public:
 #endif // SWIG
 
     //! Returns the parameter definitions, to be hard-coded in each leaf class.
-    virtual std::vector<ParaMeta> parDefs() const { return {}; }
+    virtual std::vector<ParaMeta> parDefs() const
+    {
+        return {};
+    }
 
-    const std::vector<double>& pars() const { return m_P; }
+    const std::vector<double>& pars() const
+    {
+        return m_P;
+    }
 
     //! Returns number of actual parameters.
-    size_t nPars() const { return m_P.size(); }
+    size_t nPars() const
+    {
+        return m_P.size();
+    }
 
     //! Returns value of specified parameter.
-    double parVal(size_t i) const { return m_P.at(i); }
-
-    virtual std::string validate() const { return ""; }
+    double parVal(size_t i) const
+    {
+        return m_P.at(i);
+    }
+
+    virtual std::string validate() const
+    {
+        return "";
+    }
     void validateOrThrow() const;
 
 protected: