diff --git a/client/TracyProfiler.cpp b/client/TracyProfiler.cpp
index 812eef2e..ba0e72f2 100644
--- a/client/TracyProfiler.cpp
+++ b/client/TracyProfiler.cpp
@@ -223,7 +223,7 @@ static int64_t SetupHwTimer()
 {
 #ifndef TRACY_TIMER_QPC
     uint32_t regs[4];
-    CpuId( regs, 0x80000001 );
+    CpuId( regs, 1 );
     if( !( regs[3] & ( 1 << 4 ) ) ) InitFailure( "CPU doesn't support RDTSC instruction." );
     CpuId( regs, 0x80000007 );
     if( !( regs[3] & ( 1 << 8 ) ) )