diff --git a/src/Common/QueryProfiler.cpp b/src/Common/QueryProfiler.cpp
index bd1cab42be3..17af6eeed22 100644
--- a/src/Common/QueryProfiler.cpp
+++ b/src/Common/QueryProfiler.cpp
@@ -173,7 +173,7 @@ void QueryProfilerBase<ProfilerImpl>::tryCleanup()
 }
 
 template class QueryProfilerBase<QueryProfilerReal>;
-template class QueryProfilerBase<QueryProfilerCpu>;
+template class QueryProfilerBase<QueryProfilerCPU>;
 
 QueryProfilerReal::QueryProfilerReal(const UInt64 thread_id, const UInt32 period)
     : QueryProfilerBase(thread_id, CLOCK_MONOTONIC, period, SIGUSR1)
@@ -185,11 +185,11 @@ void QueryProfilerReal::signalHandler(int sig, siginfo_t * info, void * context)
     writeTraceInfo(TraceType::Real, sig, info, context);
 }
 
-QueryProfilerCpu::QueryProfilerCpu(const UInt64 thread_id, const UInt32 period)
+QueryProfilerCPU::QueryProfilerCPU(const UInt64 thread_id, const UInt32 period)
     : QueryProfilerBase(thread_id, CLOCK_THREAD_CPUTIME_ID, period, SIGUSR2)
 {}
 
-void QueryProfilerCpu::signalHandler(int sig, siginfo_t * info, void * context)
+void QueryProfilerCPU::signalHandler(int sig, siginfo_t * info, void * context)
 {
     DENY_ALLOCATIONS_IN_SCOPE;
     writeTraceInfo(TraceType::CPU, sig, info, context);
diff --git a/src/Common/QueryProfiler.h b/src/Common/QueryProfiler.h
index 8e2d09e0be2..e5a1662e2d4 100644
--- a/src/Common/QueryProfiler.h
+++ b/src/Common/QueryProfiler.h
@@ -26,7 +26,7 @@ namespace DB
   *  3. write collected stack trace to trace_pipe for TraceCollector
   *
   * Destructor tries to unset timer and restore previous signal handler.
-  * Note that signal handler implementation is defined by template parameter. See QueryProfilerReal and QueryProfilerCpu.
+  * Note that signal handler implementation is defined by template parameter. See QueryProfilerReal and QueryProfilerCPU.
   */
 template <typename ProfilerImpl>
 class QueryProfilerBase
@@ -62,10 +62,10 @@ public:
 };
 
 /// Query profiler with timer based on CPU clock
-class QueryProfilerCpu : public QueryProfilerBase<QueryProfilerCpu>
+class QueryProfilerCPU : public QueryProfilerBase<QueryProfilerCPU>
 {
 public:
-    QueryProfilerCpu(const UInt64 thread_id, const UInt32 period);
+    QueryProfilerCPU(const UInt64 thread_id, const UInt32 period);
 
     static void signalHandler(int sig, siginfo_t * info, void * context);
 };
diff --git a/src/Common/ThreadStatus.h b/src/Common/ThreadStatus.h
index dbfb33a320c..6a2abeeef76 100644
--- a/src/Common/ThreadStatus.h
+++ b/src/Common/ThreadStatus.h
@@ -29,7 +29,7 @@ namespace DB
 class QueryStatus;
 class ThreadStatus;
 class QueryProfilerReal;
-class QueryProfilerCpu;
+class QueryProfilerCPU;
 class QueryThreadLog;
 struct OpenTelemetrySpanHolder;
 class TasksStatsCounters;
@@ -140,7 +140,7 @@ protected:
 
     // CPU and Real time query profilers
     std::unique_ptr<QueryProfilerReal> query_profiler_real;
-    std::unique_ptr<QueryProfilerCpu> query_profiler_cpu;
+    std::unique_ptr<QueryProfilerCPU> query_profiler_cpu;
 
     Poco::Logger * log = nullptr;
 
diff --git a/src/Interpreters/ThreadStatusExt.cpp b/src/Interpreters/ThreadStatusExt.cpp
index 2917a399906..52f9c6b6fbf 100644
--- a/src/Interpreters/ThreadStatusExt.cpp
+++ b/src/Interpreters/ThreadStatusExt.cpp
@@ -328,7 +328,7 @@ void ThreadStatus::initQueryProfiler()
                 /* period */ static_cast<UInt32>(settings.query_profiler_real_time_period_ns));
 
         if (settings.query_profiler_cpu_time_period_ns > 0)
-            query_profiler_cpu = std::make_unique<QueryProfilerCpu>(thread_id,
+            query_profiler_cpu = std::make_unique<QueryProfilerCPU>(thread_id,
                 /* period */ static_cast<UInt32>(settings.query_profiler_cpu_time_period_ns));
     }
     catch (...)