diff --git a/code/ryzom/tools/client/client_config/client_config.cpp b/code/ryzom/tools/client/client_config/client_config.cpp
index 301e9c3aa..97a0f1ce1 100644
--- a/code/ryzom/tools/client/client_config/client_config.cpp
+++ b/code/ryzom/tools/client/client_config/client_config.cpp
@@ -191,7 +191,7 @@ BOOL CClientConfigApp::InitInstance()
 
 		DestroyWindow (SlashScreen);
 
-		int nResponse = dlg.DoModal();
+		sint nResponse = (sint)dlg.DoModal();
 		if (nResponse == IDOK)
 		{
 			//  dismissed with OK
diff --git a/code/ryzom/tools/client/client_config/client_configDlg.cpp b/code/ryzom/tools/client/client_config/client_configDlg.cpp
index d07b26b3b..9c2de231b 100644
--- a/code/ryzom/tools/client/client_config/client_configDlg.cpp
+++ b/code/ryzom/tools/client/client_config/client_configDlg.cpp
@@ -320,7 +320,7 @@ void CClient_configDlg::translateTree ()
 	while (item)
 	{
 		// Set the item text
-		uint page = Tree.GetItemData (item);
+		uint page = (uint)Tree.GetItemData (item);
 		ucstring name = NLMISC::CI18N::get (Pages[page].Name);		
 		if (NLMISC::CSystemUtils::supportUnicode())		
 		{		
@@ -416,7 +416,7 @@ void CClient_configDlg::OnPaint()
 		dc.SetBkMode (TRANSPARENT);
 		dc.SelectObject (&BarFont);
 		CRect labelRect (LARGE_LABEL_START_X, LARGE_LABEL_START_Y, LARGE_LABEL_END_X, LARGE_LABEL_END_Y);
-		DrawTextW (&(*dc), (WCHAR*)TopLargeLabel.c_str (), TopLargeLabel.size (), &labelRect, DT_LEFT|DT_TOP);
+		DrawTextW (&(*dc), (WCHAR*)TopLargeLabel.c_str (), (sint)TopLargeLabel.size (), &labelRect, DT_LEFT|DT_TOP);
 
 		CDialog::OnPaint();
 	}
@@ -471,8 +471,8 @@ BOOL CClient_configDlg::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)
 					if (item)
 					{
 						// Get the page
-						uint pageId = Tree.GetItemData (item);
-						setPage (pageId)					;
+						uint pageId = (uint)Tree.GetItemData (item);
+						setPage (pageId);
 					}
 				}
 				break;
diff --git a/code/ryzom/tools/client/client_config/ryzom_configuration.vcproj b/code/ryzom/tools/client/client_config/ryzom_configuration.vcproj
index 15e22dba7..ddbd36f60 100644
--- a/code/ryzom/tools/client/client_config/ryzom_configuration.vcproj
+++ b/code/ryzom/tools/client/client_config/ryzom_configuration.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9.00"
+	Version="9,00"
 	Name="ryzom_configuration"
 	ProjectGUID="{739618D3-04B6-4EB1-BAED-53D3217F5A86}"
 	RootNamespace="empty_exe"
@@ -127,6 +127,7 @@
 				BasicRuntimeChecks="3"
 				SmallerTypeCheck="true"
 				RuntimeLibrary="3"
+				UsePrecompiledHeader="2"
 				WarningLevel="3"
 				DebugInformationFormat="3"
 			/>
@@ -457,6 +458,14 @@
 			<File
 				RelativePath=".\StdAfx.cpp"
 				>
+				<FileConfiguration
+					Name="Debug|x64"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+						UsePrecompiledHeader="1"
+					/>
+				</FileConfiguration>
 				<FileConfiguration
 					Name="Release|Win32"
 					>