diff --git a/psu.hpp b/psu.hpp
index 657b65c..d2c5fbe 100644
--- a/psu.hpp
+++ b/psu.hpp
@@ -17,7 +17,7 @@
 } __attribute__((packed));
 
 // Set a time-delayed PSU hard reset.
-ipmi_ret_t PsuHardReset(const uint8_t* reqBuf, uint8_t* replyBuf,
+ipmi_ret_t psuHardReset(const uint8_t* reqBuf, uint8_t* replyBuf,
                         size_t* dataLen,
                         const HandlerInterface* handler = &handlerImpl);