diff --git a/iOS/FlipperKit.podspec b/iOS/FlipperKit.podspec
index 53515cb58..94bb42881 100644
--- a/iOS/FlipperKit.podspec
+++ b/iOS/FlipperKit.podspec
@@ -1,4 +1,4 @@
-folly_compiler_flags = '-DFB_SONARKIT_ENABLED=1 -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_HAVE_LIBGFLAGS=0 -DFOLLY_HAVE_LIBJEMALLOC=0 -DFOLLY_HAVE_PREADV=0 -DFOLLY_HAVE_PWRITEV=0 -DFOLLY_HAVE_TFO=0 -DFOLLY_USE_SYMBOLIZER=0'
+folly_compiler_flags = '-DFLIPPER_OSS=1 -DFB_SONARKIT_ENABLED=1 -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_HAVE_LIBGFLAGS=0 -DFOLLY_HAVE_LIBJEMALLOC=0 -DFOLLY_HAVE_PREADV=0 -DFOLLY_HAVE_PWRITEV=0 -DFOLLY_HAVE_TFO=0 -DFOLLY_USE_SYMBOLIZER=0'
 yoga_version = '~> 1.9'
 yogakit_version = '~>1.8'
 flipperkit_version = '0.10.0'
diff --git a/xplat/Flipper/Flipper.podspec b/xplat/Flipper/Flipper.podspec
index 6a0a46a66..c858d0277 100644
--- a/xplat/Flipper/Flipper.podspec
+++ b/xplat/Flipper/Flipper.podspec
@@ -14,7 +14,7 @@ Pod::Spec.new do |spec|
   spec.libraries = "stdc++"
   spec.dependency 'Folly', '~>1.1'
   spec.dependency 'RSocket', '~>0.10'
-  spec.compiler_flags = '-DFB_SONARKIT_ENABLED=1 -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_HAVE_LIBGFLAGS=0 -DFOLLY_HAVE_LIBJEMALLOC=0 -DFOLLY_HAVE_PREADV=0 -DFOLLY_HAVE_PWRITEV=0 -DFOLLY_HAVE_TFO=0 -DFOLLY_USE_SYMBOLIZER=0 -Wall
+  spec.compiler_flags = '-DFLIPPER_OSS=1 -DFB_SONARKIT_ENABLED=1 -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_HAVE_LIBGFLAGS=0 -DFOLLY_HAVE_LIBJEMALLOC=0 -DFOLLY_HAVE_PREADV=0 -DFOLLY_HAVE_PWRITEV=0 -DFOLLY_HAVE_TFO=0 -DFOLLY_USE_SYMBOLIZER=0 -Wall
     -std=c++14
     -Wno-global-constructors'
   spec.platforms = { :ios => "8.0" }