diff --git a/DuetPkg/Library/DuetTimerLib/x86TimerLib.c b/DuetPkg/Library/DuetTimerLib/X86TimerLib.c
similarity index 100%
rename from DuetPkg/Library/DuetTimerLib/x86TimerLib.c
rename to DuetPkg/Library/DuetTimerLib/X86TimerLib.c