diff --git a/NeuralNetwork/NeuralNetwork.PictureWork/NeuralNetwork.PictureWork.csproj b/NeuralNetwork/NeuralNetwork.PictureWork/NeuralNetwork.PictureWork.csproj
index fbab8ee..08e5315 100644
--- a/NeuralNetwork/NeuralNetwork.PictureWork/NeuralNetwork.PictureWork.csproj
+++ b/NeuralNetwork/NeuralNetwork.PictureWork/NeuralNetwork.PictureWork.csproj
@@ -30,6 +30,7 @@
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
+ <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
<DebugSymbols>true</DebugSymbols>