diff --git a/bin/updateSubmodule.sh b/bin/updateSubmodule.sh
index 66062963e6..4e078049b9 100755
--- a/bin/updateSubmodule.sh
+++ b/bin/updateSubmodule.sh
@@ -40,7 +40,7 @@ fi
 
 # Generate commit summary
 # TODO recurse
-NEWCHANGES=$(git log ..$TARGET --oneline --no-merges --reverse --color=never)
+NEWCHANGES=$(git log ..$TARGET --oneline --no-merges --topo-order --reverse --color=never)
 TASKS=$(git log ..$TARGET --no-merges --format=format:%B | grep "Bug: T" | sort | uniq)
 NEWCHANGESDISPLAY=$(git log ..$TARGET --oneline --no-merges --reverse --color=always)
 COMMITMSG=$(cat <<END