diff -Naur tmp/wt-3.3.7/src/Wt/WNavigationBar wt-3.3.7/src/Wt/WNavigationBar
--- tmp/wt-3.3.7/src/Wt/WNavigationBar	2017-03-31 17:01:28.000000000 +0700
+++ wt-3.3.7/src/Wt/WNavigationBar	2017-04-28 15:46:19.132519400 +0700
@@ -35,6 +35,18 @@
    */
   void setTitle(const WString& title, const WLink& link = WLink());
 
+   /*! \brief Sets a an image as 'title'. The image size should be 34x34 pixels;
+   *
+   * The title may optionally link to a 'homepage'.
+   */
+  void setLogo(WImage* logo, const WLink& link = WLink());
+  
+  /*! \brief Sets a an image as 'title'. The image size should be 34x34 pixels;
+   *
+   * The title may optionally link to a 'homepage'.
+   */
+  void setLogo(const std::string &imageRef, const WLink &link = WLink());
+
   /*! \brief Sets whether the navigation bar will respond to screen size.
    *
    * For screens that are less wide, the navigation bar can be
diff -Naur tmp/wt-3.3.7/src/Wt/WNavigationBar.C wt-3.3.7/src/Wt/WNavigationBar.C
--- tmp/wt-3.3.7/src/Wt/WNavigationBar.C	2017-03-31 17:01:28.000000000 +0700
+++ wt-3.3.7/src/Wt/WNavigationBar.C	2017-04-28 15:36:04.637149000 +0700
@@ -11,6 +11,7 @@
 #include "Wt/WNavigationBar"
 #include "Wt/WPushButton"
 #include "Wt/WTheme"
+#include "Wt/WImage"
 
 #include <exception>
 
@@ -52,6 +53,7 @@
 {
   bindEmpty("collapse-button");
   bindEmpty("expand-button");
+  bindEmpty("logo-link");
   bindEmpty("title-link");
   bindWidget("contents", new NavContainer());
 
@@ -75,6 +77,29 @@
   titleLink->setLink(link);
 }
 
+void WNavigationBar::setLogo(const std::string &imageRef, const WLink &link)
+{
+	this->setLogo(new WImage(imageRef), link);
+}
+
+void WNavigationBar::setLogo(WImage* logoImg, const WLink& link)
+{
+	WAnchor *logoLink = resolve<WAnchor *>("logo-link");
+
+	if (!logoLink) 
+	{
+		bindWidget("logo-link", logoLink = new WAnchor());
+		wApp->theme()->apply(this, logoLink, NavBrandRole);
+	}
+	if (logoImg)
+	{
+		logoImg->resize(34, 34);
+		logoImg->setMargin(-7, Top);
+	}
+	logoLink->setImage(logoImg);
+	logoLink->setLink(link);
+}
+
 void WNavigationBar::setResponsive(bool responsive)
 {
   NavContainer *contents = resolve<NavContainer *>("contents");
diff -Naur tmp/wt-3.3.7/src/xml/bootstrap3_theme.xml wt-3.3.7/src/xml/bootstrap3_theme.xml
--- tmp/wt-3.3.7/src/xml/bootstrap3_theme.xml	2017-03-31 17:01:28.000000000 +0700
+++ wt-3.3.7/src/xml/bootstrap3_theme.xml	2017-04-28 15:07:19.413987800 +0700
@@ -59,6 +59,7 @@
       ${collapse-button}
       <div class="navbar-header">
 	${expand-button}
+	${logo-link}
 	${title-link}
       </div>
       ${contents}