diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 36bdb0ffec..b12b9c01b5 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1047,6 +1047,7 @@ class Formula
       -DCMAKE_BUILD_TYPE=Release
       -DCMAKE_FIND_FRAMEWORK=LAST
       -DCMAKE_VERBOSE_MAKEFILE=ON
+      -DCMAKE_OSX_SYSROOT=#{MacOS.sdk_path}
       -Wno-dev
     ]
   end