diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82a45201..768e1378 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -260,6 +260,7 @@ add_library(pp_platform_apple STATIC
     ${PP_PLATFORM_APPLE_SOURCES})
 if(APPLE)
     set_source_files_properties(
+        src/platform_apple/apple_platform_services.cpp
         src/platform_apple/apple_platform_state.cpp
         PROPERTIES
             LANGUAGE OBJCXX)