diff --git a/src/python/PyImathNumpy/CMakeLists.txt b/src/python/PyImathNumpy/CMakeLists.txt
index 9871a172..f1fb9e57 100644
--- a/src/python/PyImathNumpy/CMakeLists.txt
+++ b/src/python/PyImathNumpy/CMakeLists.txt
@@ -23,7 +23,7 @@ if(TARGET Python2::Python AND
     DEBUG_POSTFIX ""
   )
   install(TARGETS imathnumpy_python2
-          DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python2_VERSION_MAJOR}.${Python2_VERSION_MINOR}/site-packages"
+          DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python2_VERSION_MAJOR}.${Python2_VERSION_MINOR}/site-packages/Imath"
   )
 endif()
 
@@ -51,6 +51,6 @@ if(TARGET Python3::Python AND
     DEBUG_POSTFIX ""
   )
   install(TARGETS imathnumpy_python3
-          DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages"
+          DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages/Imath"
   )
 endif()
diff --git a/src/python/config/ModuleDefine.cmake b/src/python/config/ModuleDefine.cmake
index 1039f919..9a6ecd47 100644
--- a/src/python/config/ModuleDefine.cmake
+++ b/src/python/config/ModuleDefine.cmake
@@ -156,7 +156,7 @@ function(PYIMATH_DEFINE_MODULE modname)
       )
       install(TARGETS ${modname}_python3
               EXPORT ${PROJECT_NAME}
-              DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages"
+              DESTINATION "${CMAKE_INSTALL_LIBDIR}/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages/Imath"
       )
     endif()
   endif()