diff --git a/Library/Homebrew/shims/super/cc b/Library/Homebrew/shims/super/cc
index 10b39bde2c..ea602f1f99 100755
--- a/Library/Homebrew/shims/super/cc
+++ b/Library/Homebrew/shims/super/cc
@@ -279,7 +279,9 @@ class Cmd
   end
 
   def system_library_paths
-    %W[#{sysroot}/usr/lib /usr/local/lib]
+    paths = ["#{sysroot}/usr/lib"]
+    paths << "/usr/local/lib" unless sysroot || ENV["SDKROOT"]
+    paths
   end
 
   def configure?