diff --git a/cmake/FindSkia.cmake b/cmake/FindSkia.cmake
index 35312f92f..344de4d75 100644
--- a/cmake/FindSkia.cmake
+++ b/cmake/FindSkia.cmake
@@ -125,6 +125,16 @@ if(NOT ZLIB_LIBRARIES)
     set(ZLIB_LIB_FILE "${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib/lib/zlib${ZLIB_MSVC_DEBUG_POSTFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}")
   endif()
 
+  set(LAF_ARGS_FOR_EXTERNAL_PROJECT)
+  list(APPEND LAF_ARGS_FOR_EXTERNAL_PROJECT
+    -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+    -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+    -DCMAKE_INSTALL_LIBDIR:PATH=<INSTALL_DIR>
+    -DCMAKE_OSX_ARCHITECTURES:STRING=${CMAKE_OSX_ARCHITECTURES}
+    -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${CMAKE_OSX_DEPLOYMENT_TARGET}
+    -DCMAKE_OSX_SYSROOT:PATH=${CMAKE_OSX_SYSROOT}
+  )
+
   include(ExternalProject)
   ExternalProject_Add(zlib-project
     URL https://github.com/aseprite/zlib/archive/refs/tags/v1.2.12.zip
@@ -133,13 +143,7 @@ if(NOT ZLIB_LIBRARIES)
     PREFIX "${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib"
     INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib"
     BUILD_BYPRODUCTS "${ZLIB_LIB_FILE}"
-    CMAKE_CACHE_ARGS
-      -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-      -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
-      -DCMAKE_INSTALL_LIBDIR:PATH=<INSTALL_DIR>
-      -DCMAKE_OSX_ARCHITECTURES:STRING=${CMAKE_OSX_ARCHITECTURES}
-      -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${CMAKE_OSX_DEPLOYMENT_TARGET}
-      -DCMAKE_OSX_SYSROOT:PATH=${CMAKE_OSX_SYSROOT})
+    CMAKE_CACHE_ARGS ${LAF_ARGS_FOR_EXTERNAL_PROJECT})
 
   ExternalProject_Get_Property(zlib-project install_dir)
   set(ZLIB_INCLUDE_DIRS ${install_dir})