diff --git a/CMakeLists.txt b/CMakeLists.txt
index 57853e4d2ca8b51fb562ff985c936b2588356155..6968c32f41fe9b6cad0f3944aba695070c6cf49b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,7 +125,8 @@ endif()
 set(MOOSE_GUI_DIR ${CMAKE_SOURCE_DIR}/moose-gui)
 
 # Install pymoose. Use tar.gz in PYMOOSE_BUILD_DIR and unarchive it.
-install(DIRECTORY ${PYMOOSE_INSTALL_DIR}/
+# /usr is prefixed by bdist so we need to replace it.
+install(DIRECTORY ${PYMOOSE_INSTALL_DIR}/usr/
     DESTINATION ${CMAKE_INSTALL_PREFIX}
     PATTERN ".git" EXCLUDE
     PATTERN "*.pyc" EXCLUDE