diff --git a/fboss/platform/fan_service/Utils.cpp b/fboss/platform/fan_service/Utils.cpp
index 2bc1888f92e56..932b8c44ff9ec 100644
--- a/fboss/platform/fan_service/Utils.cpp
+++ b/fboss/platform/fan_service/Utils.cpp
@@ -90,7 +90,7 @@ bool Utils::isValidConfig(const FanServiceConfig& config) {
       XLOG(ERR) << "ledSysfsPath cannot be empty";
       return false;
     }
-    if ((!fan.presenceSysfsPath()) != (!fan.presenceGpio())) {
+    if ((!fan.presenceSysfsPath()) && (!fan.presenceGpio())) {
       XLOG(ERR) << "either presenceSysfsPath or presenceGpio must be set";
       return false;
     }