diff --git a/roles/web-data-analysis/files/combineHttpLogs.sh b/roles/web-data-analysis/files/combineHttpLogs.sh
index caa52475c1..386a43f305 100644
--- a/roles/web-data-analysis/files/combineHttpLogs.sh
+++ b/roles/web-data-analysis/files/combineHttpLogs.sh
@@ -24,6 +24,11 @@ shopt -s nullglob
 
 export MSGTOPIC_PREFIX=logging.stats
 export MSGBODY_PRESET="loghost=$(hostname) run_id=$(uuidgen -r)"
+
+# simple_message_to_bus is in /usr/local/bin which isn't in the default path
+# Put it at the back, so it doesn't override anything.
+export PATH="$PATH:/usr/local/bin"
+
 simple_message_to_bus combinehttplogs.start
 
 # Some constants / standard paths