diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index fb616b95f..f615d6be8 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -15,7 +15,7 @@
         <EmbedUntrackedSources>true</EmbedUntrackedSources>
         <IncludeSymbols>true</IncludeSymbols>
         <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-        <OtherFlags>$(OtherFlags) --test:GraphBasedChecking --test:ParallelOptimization --test:ParallelIlxGen</OtherFlags>
+        <OtherFlags>$(OtherFlags) --test:GraphBasedChecking --test:ParallelOptimization --test:ParallelIlxGen --realsig+</OtherFlags>
     </PropertyGroup>
     <ItemGroup>
         <None Include="$(MSBuildThisFileDirectory)\..\fable_logo.png" Pack="true" Visible="false" PackagePath="" />
diff --git a/src/Fable.Compiler/CHANGELOG.md b/src/Fable.Compiler/CHANGELOG.md
index f495e174a..54befe049 100644
--- a/src/Fable.Compiler/CHANGELOG.md
+++ b/src/Fable.Compiler/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+* [All] Add `--realsig+` to fix `Method not found: 'Boolean Fable.CompilerOptions.Equals` (by @nojaf)
+
 ## 5.0.0-alpha.8 - 2025-01-27
 
 ### Added