diff --git a/code/nel/include/nel/gui/dbgroup_combo_box.h b/code/nel/include/nel/gui/dbgroup_combo_box.h
index 75208b1e3..e7be1de4b 100644
--- a/code/nel/include/nel/gui/dbgroup_combo_box.h
+++ b/code/nel/include/nel/gui/dbgroup_combo_box.h
@@ -60,7 +60,7 @@ namespace NLGUI
 		void			setText(uint i, const ucstring &text);
 		void			insertText(uint i, const ucstring &text);
 		const ucstring	&getText(uint i) const;
-		const uint		&getTextId(uint i) const;
+		uint			getTextId(uint i) const;
 		uint			getTextPos(uint nId) const;
 		const ucstring	&getTexture(uint i) const;
 		void			removeText(uint nPos);
diff --git a/code/nel/src/gui/CMakeLists.txt b/code/nel/src/gui/CMakeLists.txt
index e3d501e23..32125791d 100644
--- a/code/nel/src/gui/CMakeLists.txt
+++ b/code/nel/src/gui/CMakeLists.txt
@@ -6,7 +6,7 @@ SOURCE_GROUP("src" FILES ${SRC})
 
 NL_TARGET_LIB(nelgui ${SRC} ${HEADERS})
 
-INCLUDE_DIRECTORIES(${LUA_INCLUDE_DIR} ${LUABIND_INCLUDE_DIR} ${LIBWWW_INCLUDE_DIR})
+INCLUDE_DIRECTORIES(${LUA_INCLUDE_DIR} ${LUABIND_INCLUDE_DIR} ${LIBWWW_INCLUDE_DIR} ${CURL_INCLUDE_DIRS})
 
 TARGET_LINK_LIBRARIES(nelgui nelmisc nel3d ${LUA_LIBRARIES} ${LUABIND_LIBRARIES} ${LIBXML2_LIBRARIES} ${LIBWWW_LIBRARIES} ${CURL_LIBRARIES})
 SET_TARGET_PROPERTIES(nelgui PROPERTIES LINK_INTERFACE_LIBRARIES "")
diff --git a/code/nel/src/gui/ctrl_scroll.cpp b/code/nel/src/gui/ctrl_scroll.cpp
index f534fc0a1..c29f73fea 100644
--- a/code/nel/src/gui/ctrl_scroll.cpp
+++ b/code/nel/src/gui/ctrl_scroll.cpp
@@ -519,17 +519,17 @@ namespace NLGUI
 
 		// Read Action handlers
 		prop = (char*) xmlGetProp( node, (xmlChar*)"onscroll" );
-		if (prop)	_AHOnScroll = NLMISC::strlwr(prop);
+		if (prop)	_AHOnScroll = NLMISC::strlwr(prop.str());
 		prop = (char*) xmlGetProp( node, (xmlChar*)"params" );
 		if (prop)	_AHOnScrollParams = string((const char*)prop);
 		//
 		prop = (char*) xmlGetProp( node, (xmlChar*)"onscrollend" );
-		if (prop)	_AHOnScrollEnd = NLMISC::strlwr(prop);
+		if (prop)	_AHOnScrollEnd = NLMISC::strlwr(prop.str());
 		prop = (char*) xmlGetProp( node, (xmlChar*)"end_params" );
 		if (prop)	_AHOnScrollEndParams = string((const char*)prop);
 		//
 		prop = (char*) xmlGetProp( node, (xmlChar*)"onscrollcancel" );
-		if (prop)	_AHOnScrollCancel = NLMISC::strlwr(prop);
+		if (prop)	_AHOnScrollCancel = NLMISC::strlwr(prop.str());
 		prop = (char*) xmlGetProp( node, (xmlChar*)"cancel_params" );
 		if (prop)	_AHOnScrollCancelParams = string((const char*)prop);
 
@@ -538,9 +538,9 @@ namespace NLGUI
 		prop = (char*) xmlGetProp( node, (xmlChar*)"target" );
 		if (prop)
 		{
-			CInterfaceGroup	*group = dynamic_cast<CInterfaceGroup*>(CWidgetManager::getInstance()->getElementFromId(prop));
+			CInterfaceGroup	*group = dynamic_cast<CInterfaceGroup*>(CWidgetManager::getInstance()->getElementFromId(prop.str()));
 			if(group == NULL)
-				group = dynamic_cast<CInterfaceGroup*>(CWidgetManager::getInstance()->getElementFromId(this->getId(), prop));
+				group = dynamic_cast<CInterfaceGroup*>(CWidgetManager::getInstance()->getElementFromId(this->getId(), prop.str()));
 
 			if(group != NULL)
 				setTarget (group);
diff --git a/code/nel/src/gui/dbgroup_combo_box.cpp b/code/nel/src/gui/dbgroup_combo_box.cpp
index 61b8ec3e6..39ddd63c1 100644
--- a/code/nel/src/gui/dbgroup_combo_box.cpp
+++ b/code/nel/src/gui/dbgroup_combo_box.cpp
@@ -268,7 +268,7 @@ namespace NLGUI
 	void	CDBGroupComboBox::addText(const ucstring &text)
 	{
 		dirt();
-		_Texts.push_back(make_pair(_Texts.size(), text));
+		_Texts.push_back(make_pair((uint)_Texts.size(), text));
 		_Textures.push_back(std::string());
 	}
 
@@ -330,7 +330,7 @@ namespace NLGUI
 	}
 
 	// ***************************************************************************
-	const uint		&CDBGroupComboBox::getTextId(uint i) const
+	uint CDBGroupComboBox::getTextId(uint i) const
 	{
 		static	uint	null = 0;
 		if(i<_Texts.size())
diff --git a/code/nel/src/gui/group_menu.cpp b/code/nel/src/gui/group_menu.cpp
index 08f887e9e..ddd022310 100644
--- a/code/nel/src/gui/group_menu.cpp
+++ b/code/nel/src/gui/group_menu.cpp
@@ -2200,7 +2200,7 @@ namespace NLGUI
 			if( editorMode )
 				_Extends = std::string( (const char*)prop );
 
-			CGroupMenu *gm = dynamic_cast<CGroupMenu *>(CWidgetManager::getInstance()->getElementFromId(prop));
+			CGroupMenu *gm = dynamic_cast<CGroupMenu *>(CWidgetManager::getInstance()->getElementFromId(prop.str()));
 			if (!gm)
 			{
 				gm = dynamic_cast<CGroupMenu *>(CWidgetManager::getInstance()->getElementFromId("ui:interface:" + std::string((const char*)prop)));
diff --git a/code/nel/src/gui/interface_anim.cpp b/code/nel/src/gui/interface_anim.cpp
index 627a93280..693e63f09 100644
--- a/code/nel/src/gui/interface_anim.cpp
+++ b/code/nel/src/gui/interface_anim.cpp
@@ -74,7 +74,7 @@ namespace NLGUI
 		}
 
 		//
-		if (!CInterfaceLink::splitLinkTargets (ptr, parentGroup, _Targets))
+		if (!CInterfaceLink::splitLinkTargets (ptr.str(), parentGroup, _Targets))
 		{
 			nlwarning ("no target for track");
 			return false;
diff --git a/code/nel/src/gui/interface_parser.cpp b/code/nel/src/gui/interface_parser.cpp
index 096c001ae..a3e2c48aa 100644
--- a/code/nel/src/gui/interface_parser.cpp
+++ b/code/nel/src/gui/interface_parser.cpp
@@ -1771,7 +1771,7 @@ namespace NLGUI
 		{
 			CInterfaceExprValue res;
 
-			if (CInterfaceExpr::eval(ptrVal2, res))
+			if (CInterfaceExpr::eval(ptrVal2.str(), res))
 			{
 				if (!res.toString())
 				{