diff --git a/setup.py b/setup.py
index 305249a07..42585261c 100644
--- a/setup.py
+++ b/setup.py
@@ -304,7 +304,7 @@ class Config(object):
             args = ["/DLL"]
             bits = os.getenv("KLAYOUT_BITS")
             if bits:
-                args += [quote_path("/LIBPATH:" + os.path.join(bits, "zlib", "libraries")),
+                args += [quote_path("/LIBPATH:" + os.path.join(bits, "zlib", "lib")),
                          quote_path("/LIBPATH:" + os.path.join(bits, "ptw", "libraries")),
                          quote_path("/LIBPATH:" + os.path.join(bits, "png", "libraries")),
                          quote_path("/LIBPATH:" + os.path.join(bits, "expat", "libraries")),