diff --git a/test/zone_mock.hpp b/test/zone_mock.hpp
index 35a6b32..4a9c3f8 100644
--- a/test/zone_mock.hpp
+++ b/test/zone_mock.hpp
@@ -13,6 +13,7 @@
 
     MOCK_METHOD1(getCachedValue, double(const std::string&));
     MOCK_METHOD1(addRPMSetPoint, void(double));
+    MOCK_METHOD1(addRPMCeiling, void(double));
     MOCK_CONST_METHOD0(getMaxRPMRequest, double());
     MOCK_CONST_METHOD0(getFailSafeMode, bool());
     MOCK_CONST_METHOD0(getFailSafePercent, double());