diff --git a/BurnOutSharp/BurnOutSharp.csproj b/BurnOutSharp/BurnOutSharp.csproj
index ea3fce3b..06520a55 100644
--- a/BurnOutSharp/BurnOutSharp.csproj
+++ b/BurnOutSharp/BurnOutSharp.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="LessIO" Version="1.0.34" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
     <PackageReference Include="libmspack4n" Version="0.9.10" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />
-    <PackageReference Include="UnshieldSharp" Version="1.4.2.3" />
+    <PackageReference Include="UnshieldSharp" Version="1.4.2.3" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
     <PackageReference Include="WiseUnpacker" Version="1.0.1" />
     <PackageReference Include="wix-libs" Version="3.11.1" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
   </ItemGroup>
diff --git a/BurnOutSharp/FileType/InstallShieldCAB.cs b/BurnOutSharp/FileType/InstallShieldCAB.cs
index dd8ce43b..99b23efe 100644
--- a/BurnOutSharp/FileType/InstallShieldCAB.cs
+++ b/BurnOutSharp/FileType/InstallShieldCAB.cs
@@ -2,7 +2,9 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Text.RegularExpressions;
+#if NET_FRAMEWORK
 using UnshieldSharp;
+#endif
 
 namespace BurnOutSharp.FileType
 {
@@ -10,8 +12,10 @@ namespace BurnOutSharp.FileType
     {
         public static bool ShouldScan(byte[] magic)
         {
+#if NET_FRAMEWORK
             if (magic.StartsWith(new byte[] { 0x49, 0x53, 0x63 }))
                 return true;
+#endif
 
             return false;
         }
@@ -19,6 +23,7 @@ namespace BurnOutSharp.FileType
         // TODO: Add stream opening support
         public static Dictionary<string, List<string>> Scan(Scanner scanner, string file)
         {
+#if NET_FRAMEWORK
             // Get the name of the first cabinet file or header
             string directory = Path.GetDirectoryName(file);
             string noExtension = Path.GetFileNameWithoutExtension(file);
@@ -68,6 +73,7 @@ namespace BurnOutSharp.FileType
                 }
                 catch { }
             }
+#endif
 
             return null;
         }
diff --git a/BurnOutSharp/FileType/MicrosoftCAB.cs b/BurnOutSharp/FileType/MicrosoftCAB.cs
index 3f9788b7..80fe8b79 100644
--- a/BurnOutSharp/FileType/MicrosoftCAB.cs
+++ b/BurnOutSharp/FileType/MicrosoftCAB.cs
@@ -62,6 +62,7 @@ namespace BurnOutSharp.FileType
             }
             catch { }
 #endif
+
             return null;
         }
     }