diff --git a/src/benchmark_runner.cc b/src/benchmark_runner.cc
index a98345fe..485bbc6e 100644
--- a/src/benchmark_runner.cc
+++ b/src/benchmark_runner.cc
@@ -175,7 +175,7 @@ BenchmarkRunner::BenchmarkRunner(
 }
 
 BenchmarkRunner::IterationResults BenchmarkRunner::DoNIterations() {
-  VLOG(2) << "Running " << b.name().str() << " for " << iters << "\n";
+  BM_VLOG(2) << "Running " << b.name().str() << " for " << iters << "\n";
 
   std::unique_ptr<internal::ThreadManager> manager;
   manager.reset(new internal::ThreadManager(b.threads()));
@@ -210,8 +210,8 @@ BenchmarkRunner::IterationResults BenchmarkRunner::DoNIterations() {
   // If we were measuring whole-process CPU usage, adjust the CPU time too.
   if (b.measure_process_cpu_time()) i.results.cpu_time_used /= b.threads();
 
-  VLOG(2) << "Ran in " << i.results.cpu_time_used << "/"
-          << i.results.real_time_used << "\n";
+  BM_VLOG(2) << "Ran in " << i.results.cpu_time_used << "/"
+             << i.results.real_time_used << "\n";
 
   // By using KeepRunningBatch a benchmark can iterate more times than
   // requested, so take the iteration count from i.results.
@@ -249,7 +249,7 @@ IterationCount BenchmarkRunner::PredictNumItersNeeded(
   // But we do have *some* sanity limits though..
   const IterationCount next_iters = std::min(max_next_iters, kMaxIterations);
 
-  VLOG(3) << "Next iters: " << next_iters << ", " << multiplier << "\n";
+  BM_VLOG(3) << "Next iters: " << next_iters << ", " << multiplier << "\n";
   return next_iters;  // round up before conversion to integer.
 }
 
diff --git a/src/log.h b/src/log.h
index 47d0c35c..48c071ad 100644
--- a/src/log.h
+++ b/src/log.h
@@ -67,7 +67,7 @@ inline LogType& GetLogInstanceForLevel(int level) {
 }  // end namespace benchmark
 
 // clang-format off
-#define VLOG(x)                                                               \
+#define BM_VLOG(x)                                                               \
   (::benchmark::internal::GetLogInstanceForLevel(x) << "-- LOG(" << x << "):" \
                                                                          " ")
 // clang-format on
diff --git a/test/output_test_helper.cc b/test/output_test_helper.cc
index d3ec34db..46034599 100644
--- a/test/output_test_helper.cc
+++ b/test/output_test_helper.cc
@@ -10,6 +10,7 @@
 
 #include "../src/benchmark_api_internal.h"
 #include "../src/check.h"  // NOTE: check.h is for internal use only!
+#include "../src/log.h"    // NOTE: log.h is for internal use only
 #include "../src/re.h"     // NOTE: re.h is for internal use only
 #include "output_test.h"
 
@@ -237,18 +238,18 @@ void ResultsChecker::CheckResults(std::stringstream& output) {
   }
   // finally we can call the subscribed check functions
   for (const auto& p : check_patterns) {
-    VLOG(2) << "--------------------------------\n";
-    VLOG(2) << "checking for benchmarks matching " << p.regex_str << "...\n";
+    BM_VLOG(2) << "--------------------------------\n";
+    BM_VLOG(2) << "checking for benchmarks matching " << p.regex_str << "...\n";
     for (const auto& r : results) {
       if (!p.regex->Match(r.name)) {
-        VLOG(2) << p.regex_str << " is not matched by " << r.name << "\n";
+        BM_VLOG(2) << p.regex_str << " is not matched by " << r.name << "\n";
         continue;
       } else {
-        VLOG(2) << p.regex_str << " is matched by " << r.name << "\n";
+        BM_VLOG(2) << p.regex_str << " is matched by " << r.name << "\n";
       }
-      VLOG(1) << "Checking results of " << r.name << ": ... \n";
+      BM_VLOG(1) << "Checking results of " << r.name << ": ... \n";
       p.fn(r);
-      VLOG(1) << "Checking results of " << r.name << ": OK.\n";
+      BM_VLOG(1) << "Checking results of " << r.name << ": OK.\n";
     }
   }
 }