diff --git a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section22/rule_22_19.json b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section22/rule_22_19.json
index e45524c10..da0e2c9a9 100644
--- a/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section22/rule_22_19.json
+++ b/rct229/ruletest_engine/ruletest_jsons/ashrae9012019/section22/rule_22_19.json
@@ -669,7 +669,7 @@
                                                 },
                                                 "fan_system": {
                                                     "id": "VAV Fan System 1",
-                                                    "fan_control": "CONSTANT",
+                                                    "fan_control": "VARIABLE_SPEED_DRIVE",
                                                     "supply_fans": [
                                                         {
                                                             "id": "Supply Fan 1"