diff --git a/direct/src/configfiles/direct.pth b/direct/src/configfiles/direct.pth
index 78098461f2..09c841d4d0 100644
--- a/direct/src/configfiles/direct.pth
+++ b/direct/src/configfiles/direct.pth
@@ -9,6 +9,7 @@ src/fsm
 src/gui
 src/leveleditor
 src/net
+src/particles
 src/showbase
 src/task
 src/tkpanels