diff --git a/Library/ENV/4.3/cc b/Library/ENV/4.3/cc
index 841376f1da..8dab79bbcf 100755
--- a/Library/ENV/4.3/cc
+++ b/Library/ENV/4.3/cc
@@ -87,10 +87,10 @@ class Cmd
     end
 
     if sdkroot
-      if tool != 'ld'
-        args << "--sysroot=#{sdkroot}"
-      else
+      if tool == "ld"
         args << "-syslibroot" << sdkroot
+      else
+        args << "--sysroot=#{sdkroot}"
       end
     end