diff --git a/build/vsx/LibLinphone/LibLinphone.vcxproj b/build/vsx/LibLinphone/LibLinphone.vcxproj
index 71bf6912c..9ba14d251 100644
--- a/build/vsx/LibLinphone/LibLinphone.vcxproj
+++ b/build/vsx/LibLinphone/LibLinphone.vcxproj
@@ -91,7 +91,7 @@
     <ClCompile>
       <WarningLevel>Level4</WarningLevel>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\belle-sip\include;$(ProjectDir)..\..\..\..\oRTP\include;$(ProjectDir)..\..\..\..\mediastreamer2\include;$(ProjectDIr)..\..\..\..\tunnel\include;$(ProjectDir)..\..\..\coreapi;$(ProjectDir)..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>__STDC_CONSTANT_MACROS;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;WINDOW_NATIVE;_TRUE_TIME;IN_LINPHONE;USE_BELLESIP;TUNNEL_ENABLED;LINPHONE_PACKAGE_NAME="linphone";LINPHONE_VERSION="Devel";LIBLINPHONE_EXPORTS;LINPHONE_PLUGINS_DIR="";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>__STDC_CONSTANT_MACROS;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;WINDOW_NATIVE;_TRUE_TIME;IN_LINPHONE;USE_BELLESIP;TUNNEL_ENABLED;LINPHONE_PACKAGE_NAME="linphone";LINPHONE_VERSION="Devel";LIBLINPHONE_EXPORTS;LINPHONE_PLUGINS_DIR="";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
@@ -147,7 +147,7 @@
     <ClCompile>
       <WarningLevel>Level4</WarningLevel>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\belle-sip\include;$(ProjectDir)..\..\..\..\oRTP\include;$(ProjectDir)..\..\..\..\mediastreamer2\include;$(ProjectDIr)..\..\..\..\tunnel\include;$(ProjectDir)..\..\..\coreapi;$(ProjectDir)..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>__STDC_CONSTANT_MACROS;_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;WINDOW_NATIVE;_TRUE_TIME;IN_LINPHONE;USE_BELLESIP;TUNNEL_ENABLED;LINPHONE_PACKAGE_NAME="linphone";LINPHONE_VERSION="Devel";LIBLINPHONE_EXPORTS;LINPHONE_PLUGINS_DIR="";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>__STDC_CONSTANT_MACROS;_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;WINDOW_NATIVE;_TRUE_TIME;IN_LINPHONE;USE_BELLESIP;TUNNEL_ENABLED;LINPHONE_PACKAGE_NAME="linphone";LINPHONE_VERSION="Devel";LIBLINPHONE_EXPORTS;LINPHONE_PLUGINS_DIR="";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>