diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d5710f..42ee3c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -318,7 +318,9 @@ endif()
 # so for an iOS build it'll use the path from the Device plaform, which is an error on Simulator.
 # Just use -lz and let Xcode figure it out
 # Emscripten does provide Zlib, but it doesn't work with find_package and is handled specially
+find_package(ZLIB REQUIRED) # vcpkg zlib, everwhere
 if(NOT APPLE AND NOT EMSCRIPTEN AND NOT TARGET ZLIB::ZLIB)
+elseif(0)
     if(WIN32 OR (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND REALM_LINUX_TOOLCHAIN))
         find_package(ZLIB)
         if (NOT ZLIB_FOUND)
diff --git a/tools/cmake/RealmConfig.cmake.in b/tools/cmake/RealmConfig.cmake.in
index e418c86..32af2c0 100644
--- a/tools/cmake/RealmConfig.cmake.in
+++ b/tools/cmake/RealmConfig.cmake.in
@@ -21,7 +21,9 @@ find_dependency(Threads)
 # Don't use find_library(ZLIB) on Apple platforms - it hardcodes the path per platform,
 # so for an iOS build it'll use the path from the Device plaform, which is an error on Simulator.
 # Just use -lz and let Xcode figure it out
+find_dependency(ZLIB)
 if(TARGET Realm::Sync AND NOT APPLE AND NOT TARGET ZLIB::ZLIB)
+elseif(0)
     if(WIN32 OR (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND REALM_LINUX_TOOLCHAIN))
         find_package(ZLIB)
         if (NOT ZLIB_FOUND)