diff --git a/scripts/toolchains/ios.cmake b/scripts/toolchains/ios.cmake
index 5497117a302a7e..b93cdbb8aee788 100644
--- a/scripts/toolchains/ios.cmake
+++ b/scripts/toolchains/ios.cmake
@@ -16,9 +16,11 @@ if(NOT _VCPKG_IOS_TOOLCHAIN)
             set(_vcpkg_ios_system_processor "arm")
             set(_vcpkg_ios_target_architecture "armv7")
         elseif("${arch}" STREQUAL "x64")
+            set(_vcpkg_ios_system_processor "x86_64")
             set(_vcpkg_ios_sysroot "iphonesimulator")
             set(_vcpkg_ios_target_architecture "x86_64")
         elseif("${arch}" STREQUAL "x86")
+            set(_vcpkg_ios_system_processor "i386")
             set(_vcpkg_ios_sysroot "iphonesimulator")
             set(_vcpkg_ios_target_architecture "i386")
         else()
diff --git a/toolsrc/src/vcpkg/build.cpp b/toolsrc/src/vcpkg/build.cpp
index 2e15548379dc3b..879a052a2633fb 100644
--- a/toolsrc/src/vcpkg/build.cpp
+++ b/toolsrc/src/vcpkg/build.cpp
@@ -597,6 +597,10 @@ namespace vcpkg::Build
         {
             return m_paths.scripts / fs::u8path("toolchains/android.cmake");
         }
+        else if (cmake_system_name == "iOS")
+        {
+            return m_paths.scripts / fs::u8path("toolchains/ios.cmake");
+        }
         else if (cmake_system_name.empty() || cmake_system_name == "Windows" || cmake_system_name == "WindowsStore")
         {
             return m_paths.scripts / fs::u8path("toolchains/windows.cmake");