diff --git a/src/AutoMapper/AutoMapper.csproj b/src/AutoMapper/AutoMapper.csproj
index 3f212bbce2..079f9d533c 100644
--- a/src/AutoMapper/AutoMapper.csproj
+++ b/src/AutoMapper/AutoMapper.csproj
@@ -44,7 +44,8 @@
   </ItemGroup>
 
   <Target Name="PreBuild" AfterTargets="GetAssemblyVersion">
-    <Exec Command="powershell -ExecutionPolicy Unrestricted -File &quot;$(ProjectDir)\PreBuild.ps1&quot; -version $(Version)" />
+    <Exec Condition=" '$(OS)' == 'Windows_NT' " Command="powershell -ExecutionPolicy Unrestricted -File &quot;$(ProjectDir)\PreBuild.ps1&quot; -version $(Version)" />
+    <Exec Condition=" '$(OS)' != 'Windows_NT' " Command="&quot;$(ProjectDir)PreBuild.sh&quot; $(Version)" />
   </Target>
 
 </Project>
diff --git a/src/AutoMapper/PreBuild.sh b/src/AutoMapper/PreBuild.sh
new file mode 100755
index 0000000000..3f611f5766
--- /dev/null
+++ b/src/AutoMapper/PreBuild.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+version=$1
+echo $version
+readarray -d . -t versionNumbers <<< $version
+if [[ ${versionNumbers[1]} -eq "0" && ${versionNumbers[2]} -eq "0" ]]
+then
+    oldVersion=$(({versionNumbers[0]} - 1))
+else
+    oldVersion=${versionNumbers[0]}
+fi
+oldVersion="$oldVersion.0.0"
+echo $oldVersion
+rm -rf ../LastMajorVersionBinary
+curl https://globalcdn.nuget.org/packages/automapper.$oldVersion.nupkg --create-dirs -o ../LastMajorVersionBinary/automapper.$oldVersion.nupkg
+unzip -j ../LastMajorVersionBinary/automapper.$oldVersion.nupkg lib/netstandard2.1/AutoMapper.dll -d ../LastMajorVersionBinary
diff --git a/src/UnitTests/Internationalization.cs b/src/UnitTests/Internationalization.cs
index e8bd6b282e..6f0a8e466c 100644
--- a/src/UnitTests/Internationalization.cs
+++ b/src/UnitTests/Internationalization.cs
@@ -16,12 +16,12 @@ public class Order
 
             public class Customer
             {
-                public string ��� { get; set; }
+                public string Æøå { get; set; }
             }
 
             public class OrderDto
             {
-                public string Customer��� { get; set; }
+                public string CustomerÆøå { get; set; }
             }
 
             protected override MapperConfiguration CreateConfiguration() => new(cfg =>
@@ -31,13 +31,13 @@ public class OrderDto
 
             protected override void Because_of()
             {
-                _result = Mapper.Map<Order, OrderDto>(new Order {Customer = new Customer {��� = "Bob"}});
+                _result = Mapper.Map<Order, OrderDto>(new Order {Customer = new Customer {Æøå = "Bob"}});
             }
 
             [Fact]
             public void Should_match_to_identical_property_name_on_destination()
             {
-                _result.Customer���.ShouldBe("Bob");
+                _result.CustomerÆøå.ShouldBe("Bob");
             }
         }
 
diff --git a/src/UnitTests/Tests/TypeMapFactorySpecs.cs b/src/UnitTests/Tests/TypeMapFactorySpecs.cs
index b630eacff1..ccb9e767d3 100644
--- a/src/UnitTests/Tests/TypeMapFactorySpecs.cs
+++ b/src/UnitTests/Tests/TypeMapFactorySpecs.cs
@@ -171,7 +171,7 @@ public class When_using_a_source_member_name_replacer : SpecBase
         public class Source
         {
             public int Value { get; set; }
-            public int �v�ator { get; set; }
+            public int Ävíator { get; set; }
             public int SubAirlinaFlight { get; set; }
         }
 
@@ -187,14 +187,14 @@ public void Should_map_properties_with_different_names()
         {
             var config = new MapperConfiguration(cfg =>
             {
-                cfg.ReplaceMemberName("A", "�");
-                cfg.ReplaceMemberName("i", "�");
+                cfg.ReplaceMemberName("A", "Ä");
+                cfg.ReplaceMemberName("i", "í");
                 cfg.ReplaceMemberName("Airline", "Airlina");
                 cfg.CreateMap<Source, Destination>();
             });
 
             var mapper = config.CreateMapper();
-            var dest = mapper.Map<Destination>(new Source {�v�ator = 3, SubAirlinaFlight = 4, Value = 5});
+            var dest = mapper.Map<Destination>(new Source {Ävíator = 3, SubAirlinaFlight = 4, Value = 5});
             dest.Aviator.ShouldBe(3);
             dest.SubAirlineFlight.ShouldBe(4);
             dest.Value.ShouldBe(5);
@@ -206,7 +206,7 @@ public class When_using_a_source_member_name_replacer_with_profile : SpecBase
         public class Source
         {
             public int Value { get; set; }
-            public int �v�ator { get; set; }
+            public int Ävíator { get; set; }
             public int SubAirlinaFlight { get; set; }
         }
 
@@ -230,14 +230,14 @@ public void Should_map_properties_with_different_names()
         {
             var config = new MapperConfiguration(cfg =>
             {
-                cfg.ReplaceMemberName("A", "�");
-                cfg.ReplaceMemberName("i", "�");
+                cfg.ReplaceMemberName("A", "Ä");
+                cfg.ReplaceMemberName("i", "í");
                 cfg.ReplaceMemberName("Airline", "Airlina");
                 cfg.AddProfile<TestProfile>();
             });
 
             var mapper = config.CreateMapper();
-            var dest = mapper.Map<Destination>(new Source { �v�ator = 3, SubAirlinaFlight = 4, Value = 5 });
+            var dest = mapper.Map<Destination>(new Source { Ävíator = 3, SubAirlinaFlight = 4, Value = 5 });
             dest.Aviator.ShouldBe(3);
             dest.SubAirlineFlight.ShouldBe(4);
             dest.Value.ShouldBe(5);