diff --git a/delete_userless_histories.sh b/delete_userless_histories.sh
index f476e20674b..7673537daca 100644
--- a/delete_userless_histories.sh
+++ b/delete_userless_histories.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
-source ./setup_paths.sh
+. ./scripts/get_python.sh
+. ./setup_paths.sh
 
-python2.4 ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -2 $@ >> ./delete_userless_histories.log
+$GALAXY_PYTHON ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -2 $@ >> ./delete_userless_histories.log
diff --git a/purge_datasets.sh b/purge_datasets.sh
index 40b46a1be99..dd5d6739e1f 100644
--- a/purge_datasets.sh
+++ b/purge_datasets.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
-source ./setup_paths.sh
+. ./scripts/get_python.sh
+. ./setup_paths.sh
 
-python2.4 ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -6 -r $@ >> ./purge_datasets.log
+$GALAXY_PYTHON ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -6 -r $@ >> ./purge_datasets.log
diff --git a/purge_histories.sh b/purge_histories.sh
index 80fc511010f..e18cdca8d37 100644
--- a/purge_histories.sh
+++ b/purge_histories.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
-source ./setup_paths.sh
+. ./scripts/get_python.sh
+. ./setup_paths.sh
 
-python2.4 ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -4 -r $@ >> ./purge_histories.log
+$GALAXY_PYTHON ./scripts/cleanup_datasets.py ./universe_wsgi.ini -d 10 -4 -r $@ >> ./purge_histories.log