diff --git a/scripts/ci/backend-tests/pkgs-with-tests-named.sh b/scripts/ci/backend-tests/pkgs-with-tests-named.sh
index ea8cf286880..82a677cab24 100755
--- a/scripts/ci/backend-tests/pkgs-with-tests-named.sh
+++ b/scripts/ci/backend-tests/pkgs-with-tests-named.sh
@@ -44,7 +44,7 @@ done
 shift $((OPTIND - 1))
 
 if [[ ${#dirs[@]} -eq 0 ]]; then
-    dirs+=("./...")
+    readarray -t dirs <<< "$(find . -type f -name 'go.mod' -exec dirname '{}' ';' | awk '{ print $1 "/..."; }')"
 fi
 if [ -z "$beginningWith" ]; then
     for pkg in "${dirs[@]}"; do
diff --git a/scripts/ci/backend-tests/shard.sh b/scripts/ci/backend-tests/shard.sh
index 6e2702c610a..cce9d944b2e 100755
--- a/scripts/ci/backend-tests/shard.sh
+++ b/scripts/ci/backend-tests/shard.sh
@@ -100,7 +100,7 @@ if [[ $n -gt $m ]]; then
     exit 1
 fi
 if [[ ${#dirs[@]} -eq 0 ]]; then
-    dirs+=("./...")
+    readarray -t dirs <<< "$(find . -type f -name 'go.mod' -exec dirname '{}' ';' | awk '{ print $1 "/..."; }')"
 fi
 # If dirs is just ("-"), read from stdin instead.
 if [[ ${#dirs[@]} -eq 1 && "${dirs[0]}" == "-" ]]; then