diff --git a/amplpy/__init__.py b/amplpy/__init__.py
index 6cb1922..3c06d41 100644
--- a/amplpy/__init__.py
+++ b/amplpy/__init__.py
@@ -6,7 +6,7 @@
 
 
 if platform.system().startswith(("Windows", "MSYS", "CYGWIN", "MINGW")):
-    libbase = os.path.join(os.path.dirname(__file__), "cppinterface", "lib")
+    libbase = os.path.join(os.path.dirname(__file__), "amplpython", "cppinterface", "lib")
     lib64 = os.path.join(libbase, "amd64")
     from glob import glob