diff --git a/CHANGELOG.md b/CHANGELOG.md
index d082a93..80a6643 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 * Removed now unnecessary workaround to stop mouse movement on the pause menu from changing in-game angles when unpausing
 * Fixed RPG being flagged as unusable while a rocket is loaded [#213](https://github.com/SamVanheer/halflife-updated/pull/213) (Thanks Toodles2You)
 * Have clients select weapons by ID, rather than by name [#217](https://github.com/SamVanheer/halflife-updated/pull/217) (Thanks Toodles2You)
+* Copy delta.lst when building client or server to ensure mods have correct delta.lst file (Thanks P38TaKjYzY)
 
 ### Features
 
diff --git a/filecopy.bat b/filecopy.bat
index 510f21c..26ba0f7 100755
--- a/filecopy.bat
+++ b/filecopy.bat
@@ -1,4 +1,5 @@
 @echo off
+setlocal EnableDelayedExpansion
 
 rem Set this path to your mod directory. You can use environment variables to avoid hardcoding the path if your team members have different install locations.
 set mod_directory=C:/Program Files (x86)/Steam/steamapps/common/Half-Life/halflife_updated
@@ -6,14 +7,21 @@ set mod_directory=C:/Program Files (x86)/Steam/steamapps/common/Half-Life/halfli
 rem Input paths may end with a backslash which will be interpreted as an escape character when passed into robocopy, so this needs to be escaped.
 set source=%~1
 set source=%source:\=\\%
-set destination=%mod_directory%/%~2
-set destination=%destination:\=\\%
+
+set destination=%mod_directory%
+
+if NOT "%~2" == "" (
+	set destination=!destination!/%~2
+)
+
+set destination=!destination:\=\\!
+
 set filename=%~3
 
-echo Installing "%destination%/%filename%"
+echo Installing "!destination!/%filename%"
 
 rem If you are having problems with this command, remove the redirect to nul part (> nul) to get error messages from robocopy.
-@robocopy "%source%" "%destination%" "%filename%" /njh /njs /ndl /nc /ns /np > nul
+@robocopy "%source%" "!destination!" "%filename%" /njh /njs /ndl /nc /ns /np > nul
 
 rem Needed because robocopy returns a non-zero code for success which makes Visual Studio treat this as failure.
 exit /b 0
diff --git a/projects/vs2019/hl_cdll.vcxproj b/projects/vs2019/hl_cdll.vcxproj
index c8792fd..1335c01 100644
--- a/projects/vs2019/hl_cdll.vcxproj
+++ b/projects/vs2019/hl_cdll.vcxproj
@@ -77,7 +77,8 @@
     </Link>
     <PostBuildEvent>
       <Command>cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetFileName)""
-cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetName).pdb""</Command>
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetName).pdb""
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(SolutionDir)../../network" "" "delta.lst""</Command>
       <Message>Installing client files</Message>
     </PostBuildEvent>
     <PostBuildEvent />
@@ -109,7 +110,8 @@ cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetName).p
     </Link>
     <PostBuildEvent>
       <Command>cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetFileName)""
-cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetName).pdb""</Command>
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "cl_dlls" "$(TargetName).pdb""
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(SolutionDir)../../network" "" "delta.lst""</Command>
       <Message>Installing client files</Message>
     </PostBuildEvent>
     <PostBuildEvent />
diff --git a/projects/vs2019/hldll.vcxproj b/projects/vs2019/hldll.vcxproj
index 388f644..566de21 100644
--- a/projects/vs2019/hldll.vcxproj
+++ b/projects/vs2019/hldll.vcxproj
@@ -75,7 +75,8 @@
     </Link>
     <PostBuildEvent>
       <Command>cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetFileName)""
-cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetName).pdb""</Command>
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetName).pdb""
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(SolutionDir)../../network" "" "delta.lst""</Command>
       <Message>Installing server files</Message>
     </PostBuildEvent>
     <PostBuildEvent />
@@ -105,7 +106,8 @@ cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetName).pdb"
     </Link>
     <PostBuildEvent>
       <Command>cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetFileName)""
-cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetName).pdb""</Command>
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(OutDir)" "dlls" "$(TargetName).pdb""
+cmd /c ""$(ProjectDir)..\..\filecopy.bat" "$(SolutionDir)../../network" "" "delta.lst""</Command>
       <Message>Installing server files</Message>
     </PostBuildEvent>
     <PostBuildEvent />