Fix format strings.

1 files changed, 2 insertions, 1 deletions

diff --git a/staging_vespalib/src/tests/clock/clock_benchmark.cpp b/staging_vespalib/src/tests/clock/clock_benchmark.cpp
index cbf7275f06e..6728d4cc045 100644
--- a/staging_vespalib/src/tests/clock/clock_benchmark.cpp
+++ b/staging_vespalib/src/tests/clock/clock_benchmark.cpp
@@ -5,6 +5,7 @@
 #include <cassert>
 #include <vector>
 #include <atomic>
+#include <cinttypes>
 #include <cstring>
 #include <condition_variable>
 #include <mutex>
@@ -123,7 +124,7 @@ void benchmark(const char * desc, FastOS_ThreadPool & pool, uint64_t samples, ui
             count[i] += sampler->_count[i];
         }
     }
-    printf("%s: Took %ld clock samples in %2.3f with [%ld, %ld, %ld] counts\n", desc, samples, to_s(steady_clock::now() - start), count[0], count[1], count[2]);
+    printf("%s: Took %" PRId64 " clock samples in %2.3f with [%" PRId64 ", %" PRId64 ", %" PRId64 "] counts\n", desc, samples, to_s(steady_clock::now() - start), count[0], count[1], count[2]);
 }
 
 int