diff --git a/components/isceobj/Orbit/CMakeLists.txt b/components/isceobj/Orbit/CMakeLists.txt
index a16b8b1..0f48d96 100644
--- a/components/isceobj/Orbit/CMakeLists.txt
+++ b/components/isceobj/Orbit/CMakeLists.txt
@@ -7,6 +7,7 @@ target_include_directories(orbitHermite PUBLIC include)
 InstallSameDir(
     orbitHermite
     __init__.py
+    Inertial.py
     ODR.py
     Orbit.py
     OrbitExtender.py