diff --git a/setup-run-from-source.tcsh b/setup-run-from-source.tcsh
index 43a44293..16d9df75 100755
--- a/setup-run-from-source.tcsh
+++ b/setup-run-from-source.tcsh
@@ -1,6 +1,6 @@
 #!/bin/tcsh
 
-setenv PYTHONPATH `pwd`/p2p
+setenv PYTHONPATH `pwd`/p2p/
 
 # for activity.py
 setenv PYTHONPATH "$PYTHONPATH":`pwd`/shell/src/