diff --git a/projects/facebook.com/zstd/package.yml b/projects/facebook.com/zstd/package.yml
index 03f3e2b9..844888e5 100644
--- a/projects/facebook.com/zstd/package.yml
+++ b/projects/facebook.com/zstd/package.yml
@@ -40,6 +40,10 @@ build:
       - -DZSTD_ZLIB_SUPPORT=ON
       - -DZSTD_LZMA_SUPPORT=ON
       - -DZSTD_LZ4_SUPPORT=ON
+    darwin:
+      ARGS:
+        # Otherwise we get errors from clang
+        - -DCMAKE_CXX_FLAGS="-std=c++11"
 
 test: |
   export fixture="asdf123%!*"