diff --git a/setup.py b/setup.py
index 96ed416f237..ca4bf9f881e 100644
--- a/setup.py
+++ b/setup.py
@@ -621,9 +621,9 @@ class PyBuildExt(build_ext):
                                    ['/usr/local/include', '/usr/pkg/include'])
             iconv_libs = find_library_file(self.compiler, 'iconv', lib_dirs,
                                            ['/usr/local/lib', '/usr/pkg/lib'])
-
-            if iconv_incs:
-                if iconv_libs:
+                                           
+            if platform not in ['darwin'] and iconv_incs is not None:
+                if iconv_libs is not None:
                     iconv_libraries = ['iconv']
                 else:
                     iconv_libraries = [] # in libc