diff --git a/setup.py b/setup.py
index 9f0c4e7..775ecb5 100644
--- a/setup.py
+++ b/setup.py
@@ -9,9 +9,9 @@
     version += os.environ["GITHUB_RUN_ID"]
 
 ext = Extension(
-    "ciostream",
+    "ciostream.core",
     sources=[
-        "src/ciostream/__init__.pyx",
+        "src/ciostream/core.pyx",
         "src/ciostream/ciostream_native.cpp"],
     language="c++")
 
diff --git a/src/ciostream/__init__.py b/src/ciostream/__init__.py
new file mode 100644
index 0000000..eb42310
--- /dev/null
+++ b/src/ciostream/__init__.py
@@ -0,0 +1,2 @@
+
+#from ciostream.core import *
diff --git a/src/ciostream/__init__.pxd b/src/ciostream/core.pxd
similarity index 100%
rename from src/ciostream/__init__.pxd
rename to src/ciostream/core.pxd
diff --git a/src/ciostream/core.py b/src/ciostream/core.py
new file mode 100755
index 0000000..7815178
Binary files /dev/null and b/src/ciostream/core.py differ
diff --git a/src/ciostream/__init__.pyi b/src/ciostream/core.pyi
similarity index 100%
rename from src/ciostream/__init__.pyi
rename to src/ciostream/core.pyi
diff --git a/src/ciostream/__init__.pyx b/src/ciostream/core.pyx
similarity index 100%
rename from src/ciostream/__init__.pyx
rename to src/ciostream/core.pyx