diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 18f626a..7513f38 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -107,5 +107,5 @@ INSTALL(TARGETS
   LIBRARY DESTINATION ${PYTHON_SITE_PACKAGES}/cosmotool
 )
 
-INSTALL(DIRECTORY cosmotool DESTINATION ${PYTHON_SITE_PACKAGES} 
+INSTALL(DIRECTORY cosmotool ${CMAKE_CURRENT_BINARY_DIR}/cosmotool DESTINATION ${PYTHON_SITE_PACKAGES} 
         FILES_MATCHING PATTERN "*.py")