diff --git a/eng/Versions.props b/eng/Versions.props
index c41921174783..849f2871d1af 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -56,14 +56,14 @@
   <!-- version number assignment -->
   <PropertyGroup Condition="'$(UseFSharpPackageVersion)' == 'true'">
     <VersionPrefix>$(FSCoreVersionPrefix)</VersionPrefix>
-    <AssemblyVersion Condition="'$(OfficialBuildId)' == ''">$(FSCoreVersion)</AssemblyVersion >
+    <AssemblyVersion>$(FSCoreVersion)</AssemblyVersion>
   </PropertyGroup>
   <PropertyGroup Condition="'$(UseFSharpPackageVersion)' != 'true'">
     <VersionPrefix>$(FSCoreVersionPrefix)</VersionPrefix>
     <VersionPrefix Condition="'$(UseFSharpProductVersion)' == 'true'">$(FSProductVersionPrefix)</VersionPrefix>
     <VersionPrefix Condition="'$(UseVsMicroBuildAssemblyVersion)' == 'true'">$(VSAssemblyVersionPrefix)</VersionPrefix>
     <VersionPrefix Condition="'$(UseFSharpCompilerServiceVersion)' == 'true'">$(FSharpCompilerServicePackageVersion)</VersionPrefix>
-    <AssemblyVersion Condition="'$(OfficialBuildId)' == ''">$(VersionPrefix).0</AssemblyVersion>
+    <AssemblyVersion>$(VersionPrefix).0</AssemblyVersion>
     <!-- PR builds should explicitly specify a version number -->
   </PropertyGroup>
   <PropertyGroup>
diff --git a/src/fsharp/FSharp.Core/FSharp.Core.fsproj b/src/fsharp/FSharp.Core/FSharp.Core.fsproj
index 17b62068f828..34be35c2cc95 100644
--- a/src/fsharp/FSharp.Core/FSharp.Core.fsproj
+++ b/src/fsharp/FSharp.Core/FSharp.Core.fsproj
@@ -15,6 +15,7 @@
 
     <PreRelease>true</PreRelease>
     <PackageId>FSharp.Core</PackageId>
+    <PackageVersionPrefix>$(FSCorePackageVersion)</PackageVersionPrefix>
     <NuspecFile>FSharp.Core.nuspec</NuspecFile>
     <IsPackable>true</IsPackable>
     <PackageDescription>FSharp.Core redistributables from F# Tools version $(FSCorePackageVersion) For F# $(FSLanguageVersion).  Contains code from the F# Software Foundation.</PackageDescription>