diff --git a/test/zone_mock.hpp b/test/zone_mock.hpp
index 4e34890..a5f105b 100644
--- a/test/zone_mock.hpp
+++ b/test/zone_mock.hpp
@@ -41,7 +41,7 @@
 
     MOCK_CONST_METHOD0(getManualMode, bool());
     MOCK_CONST_METHOD0(getFailSafeMode, bool());
-    MOCK_CONST_METHOD0(getFailSafePercent, double());
+    MOCK_METHOD0(getFailSafePercent, double());
     MOCK_CONST_METHOD0(getZoneID, int64_t());
 
     MOCK_CONST_METHOD0(getCycleIntervalTime, uint64_t());