diff --git a/db/db_bench.cc b/db/db_bench.cc
index d0f83778c..5e3426b7f 100644
--- a/db/db_bench.cc
+++ b/db/db_bench.cc
@@ -1190,7 +1190,7 @@ int main(int argc, char** argv) {
     } else if (sscanf(argv[i], "--mmap_read=%d%c", &n, &junk) == 1 &&
                (n == 0 || n == 1)) {
       useMmapRead = n;
-    } else if (sscanf(argv[i], "--readhead=%d%c", &n, &junk) == 1 &&
+    } else if (sscanf(argv[i], "--readahead=%d%c", &n, &junk) == 1 &&
                (n == 0 || n == 1)) {
       useFsReadAhead = n;
     } else if (sscanf(argv[i], "--statistics=%d%c", &n, &junk) == 1 &&
diff --git a/tools/ldb.cc b/tools/ldb.cc
index 08fd25396..a44a713de 100644
--- a/tools/ldb.cc
+++ b/tools/ldb.cc
@@ -5,6 +5,7 @@
 #include <string>
 #include <iostream>
 #include <sstream>
+#include <stdlib.h>
 
 #include "leveldb/db.h"
 #include "leveldb/options.h"
@@ -122,7 +123,7 @@ static void dump_db(
     }
   }
 
-  fprintf(stdout, "Keys in range: %d\n", count);
+  fprintf(stdout, "Keys in range: %lld\n", (long long) count);
 
   // Clean up
   delete iter;