diff --git a/Minecraft.Client/Build/Common/zlib/gzguts.h b/Minecraft.Client/Build/Common/zlib/gzguts.h
index d87659d03..8661ba63b 100644
--- a/Minecraft.Client/Build/Common/zlib/gzguts.h
+++ b/Minecraft.Client/Build/Common/zlib/gzguts.h
@@ -1,3 +1,4 @@
+#pragma once
 /* gzguts.h -- zlib internal header definitions for gz* operations
  * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
diff --git a/Minecraft.Client/Build/Common/zlib/inflate.h b/Minecraft.Client/Build/Common/zlib/inflate.h
index 95f4986d4..1ae81275e 100644
--- a/Minecraft.Client/Build/Common/zlib/inflate.h
+++ b/Minecraft.Client/Build/Common/zlib/inflate.h
@@ -1,3 +1,4 @@
+#pragma once
 /* inflate.h -- internal inflate state definition
  * Copyright (C) 1995-2009 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
diff --git a/Minecraft.Client/meson.build b/Minecraft.Client/meson.build
index 194cda742..f9e00e7ec 100644
--- a/Minecraft.Client/meson.build
+++ b/Minecraft.Client/meson.build
@@ -3,6 +3,7 @@ exclude_sources = [
   ' ! -path "*/Platform/*"',
   ' ! -path "*/Build/Common/Network/Sony/*"',
   ' ! -path "*/Build/Common/XUI/*"',
+  ' ! -path "*/Build/Common/zlib/*"',
 ]
 
 # get all those files
@@ -42,6 +43,7 @@ executable('Minecraft.Client',
     glfw_dep,
     thread_dep,
     dl_dep,
+    dependency('zlib'),
   ],
   cpp_args : global_cpp_args + global_cpp_defs + [
     '-DUNICODE', '-D_UNICODE',
diff --git a/Minecraft.World/meson.build b/Minecraft.World/meson.build
index c8f48c68c..c0c2455ee 100644
--- a/Minecraft.World/meson.build
+++ b/Minecraft.World/meson.build
@@ -10,7 +10,7 @@ exclude_sources = [
   '! -name NbtSlotFile.cpp',
   '! -name ZonedChunkStorage.cpp',
   '! -name ZoneFile.cpp',
-  '! -name ZoneIo.cpp',
+  '! -name ZoneIO.cpp',
 ]
 
 # GET IT ALLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL