diff --git a/db/db_bench.cc b/db/db_bench.cc
index f8ebf91a8..b5fa4e277 100644
--- a/db/db_bench.cc
+++ b/db/db_bench.cc
@@ -3609,7 +3609,8 @@ class Benchmark {
         if (total != prev_total) {
           fprintf(stderr,
                   "RandomTransactionVerify found inconsistent totals. "
-                  "Set[%u]: %lu, Set[%u]: %lu \n",
+                  "Set[%" PRIu32 "]: %" PRIu64 ", Set[%" PRIu32 "]: %" PRIu64
+                  " \n",
                   i - 1, prev_total, i, total);
           abort();
         }
@@ -3617,7 +3618,8 @@ class Benchmark {
       prev_total = total;
     }
 
-    fprintf(stdout, "RandomTransactionVerify Success! Total:%lu\n", prev_total);
+    fprintf(stdout, "RandomTransactionVerify Success! Total:%" PRIu64 "\n",
+            prev_total);
   }
 
   void Compact(ThreadState* thread) {
diff --git a/utilities/transactions/optimistic_transaction_impl.cc b/utilities/transactions/optimistic_transaction_impl.cc
index 0571e83d9..cfb9fa660 100644
--- a/utilities/transactions/optimistic_transaction_impl.cc
+++ b/utilities/transactions/optimistic_transaction_impl.cc
@@ -7,6 +7,11 @@
 
 #include "utilities/transactions/optimistic_transaction_impl.h"
 
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+
+#include <inttypes.h>
 #include <string>
 #include <vector>
 
@@ -304,9 +309,9 @@ Status OptimisticTransactionImpl::CheckTransactionForConflicts(DB* db) {
         char msg[255];
         snprintf(
             msg, sizeof(msg),
-            "Could not commit transaction with write at SequenceNumber %lu "
-            "as the MemTable only contains changes newer than SequenceNumber "
-            "%lu.",
+            "Could not commit transaction with write at SequenceNumber %" PRIu64
+            " as the MemTable only contains changes newer than SequenceNumber "
+            "%" PRIu64 ".",
             key_seq, earliest_seq);
         result = Status::Busy(msg);
       } else {