diff --git a/src/Lucene.Net.Analysis.OpenNLP/Lucene.Net.Analysis.OpenNLP.csproj b/src/Lucene.Net.Analysis.OpenNLP/Lucene.Net.Analysis.OpenNLP.csproj
index fc50d5a320..33920cdd4a 100644
--- a/src/Lucene.Net.Analysis.OpenNLP/Lucene.Net.Analysis.OpenNLP.csproj
+++ b/src/Lucene.Net.Analysis.OpenNLP/Lucene.Net.Analysis.OpenNLP.csproj
@@ -30,7 +30,10 @@
   <Import Project="$(SolutionDir).build/nuget.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net472</TargetFrameworks>
+    <!-- Currently, IKVM doesn't officially support building NetFX on anything but Windows, so we skip it for contributors who may be on various platforms.
+        We can remove the condition once that has been addressed. See: https://github.com/ikvmnet/ikvm-maven/issues/49 -->
+    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks Condition="$([MSBuild]::IsOsPlatform('Windows'))">$(TargetFrameworks);net472</TargetFrameworks>
 
     <AssemblyTitle>Lucene.Net.Analysis.OpenNLP</AssemblyTitle>
     <PackageTags>$(PackageTags);analysis;natural;language;processing;opennlp</PackageTags>