diff --git a/src/ir_decoder/.gitignore b/src/ir_decoder/.gitignore
index d9fa92c..7df99ca 100644
--- a/src/ir_decoder/.gitignore
+++ b/src/ir_decoder/.gitignore
@@ -3,6 +3,7 @@ libs/
 obj/
 .idea/
 ipch/
+x64/
 cmake-build-debug/
 cmake-build-release/
 Debug/
diff --git a/src/ir_decoder/ir_decoder.vcxproj b/src/ir_decoder/ir_decoder.vcxproj
index 16af29c..2d83e44 100644
--- a/src/ir_decoder/ir_decoder.vcxproj
+++ b/src/ir_decoder/ir_decoder.vcxproj
@@ -47,7 +47,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v140_xp</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -129,7 +129,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>Use</PrecompiledHeader>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
diff --git a/src/web_console/irda_decoder/libirda_decoder_x64.dll b/src/web_console/irda_decoder/libirda_decoder_x64.dll
new file mode 100644
index 0000000..f1e5f24
Binary files /dev/null and b/src/web_console/irda_decoder/libirda_decoder_x64.dll differ
diff --git a/src/web_console/irda_decoder/libirda_decoder.dll b/src/web_console/irda_decoder/libirda_decoder_x86.dll
similarity index 95%
rename from src/web_console/irda_decoder/libirda_decoder.dll
rename to src/web_console/irda_decoder/libirda_decoder_x86.dll
index 3d4981b..85fd99f 100644
Binary files a/src/web_console/irda_decoder/libirda_decoder.dll and b/src/web_console/irda_decoder/libirda_decoder_x86.dll differ
diff --git a/src/web_console/services/test_service.js b/src/web_console/services/test_service.js
index 4a435ef..029bf7c 100644
--- a/src/web_console/services/test_service.js
+++ b/src/web_console/services/test_service.js
@@ -11,8 +11,8 @@ var ffi = require('ffi');
  * return :
  */
 exports.testFFI = function(req, res) {
-    var libm = ffi.Library('./irda_decoder/libirda_decoder', {
-        'irda_context_init': [ 'int', null ]
+    var libm = ffi.Library('./irda_decoder/libirda_decoder_x64', {
+        'irda_context_init': [ 'uint8', [] ]
     });
     libm.irda_context_init();
     res.end();