diff --git a/docker-compose/compute_wrapper/var/db/postgres/specs/spec.json b/docker-compose/compute_wrapper/var/db/postgres/specs/spec.json
index 8e582e74e1..0308cab451 100644
--- a/docker-compose/compute_wrapper/var/db/postgres/specs/spec.json
+++ b/docker-compose/compute_wrapper/var/db/postgres/specs/spec.json
@@ -132,11 +132,6 @@
                 "name": "cron.database",
                 "value": "postgres",
                 "vartype": "string"
-            },
-            {
-                "name": "session_preload_libraries",
-                "value": "anon",
-                "vartype": "string"
             }
         ]
     },
diff --git a/docker-compose/docker_compose_test.sh b/docker-compose/docker_compose_test.sh
index c97dfaa901..063664d0c6 100755
--- a/docker-compose/docker_compose_test.sh
+++ b/docker-compose/docker_compose_test.sh
@@ -35,11 +35,11 @@ for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
     echo "clean up containers if exists"
     cleanup
     PG_TEST_VERSION=$((pg_version < 16 ? 16 : pg_version))
-    # The support of pg_anon not yet added to PG17, so we have to remove the corresponding option
-    if [ $pg_version -eq 17 ]; then
+    # The support of pg_anon not yet added to PG17, so we have to add the corresponding option for other PG versions
+    if [ "${pg_version}" -ne 17 ]; then
       SPEC_PATH="compute_wrapper/var/db/postgres/specs"
       mv $SPEC_PATH/spec.json $SPEC_PATH/spec.bak
-      jq 'del(.cluster.settings[] | select (.name == "session_preload_libraries"))' $SPEC_PATH/spec.bak > $SPEC_PATH/spec.json
+      jq '.cluster.settings += [{"name": "session_preload_libraries","value": "anon","vartype": "string"}]' "${SPEC_PATH}/spec.bak" > "${SPEC_PATH}/spec.json"
     fi
     PG_VERSION=$pg_version PG_TEST_VERSION=$PG_TEST_VERSION docker compose --profile test-extensions -f $COMPOSE_FILE up --build -d
 
@@ -106,8 +106,8 @@ for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
         fi
     fi
     cleanup
-    # The support of pg_anon not yet added to PG17, so we have to remove the corresponding option
-    if [ $pg_version -eq 17 ]; then
-      mv $SPEC_PATH/spec.bak $SPEC_PATH/spec.json
+    # Restore the original spec.json
+    if [ "$pg_version" -ne 17 ]; then
+      mv "$SPEC_PATH/spec.bak" "$SPEC_PATH/spec.json"
     fi
 done