--- recoverjpeg-2.3.old/recoverjpeg.1
+++ recoverjpeg-2.3/recoverjpeg.1
@@ -57,7 +57,7 @@
 \-q : Be quiet and do not display anything.
 .PP
 \-r \f[I]readsize\f[] : Set the readsize in bytes.
-By default, this is 128 MiB.
+By default, this is 64 MiB.
 Using a large readsize reduces the number of system calls but consumes
 more memory.
 The readsize will automatically be adjusted to be a multiple of the
--- recoverjpeg-2.3.old/recoverjpeg.c
+++ recoverjpeg-2.3/recoverjpeg.c
@@ -45,7 +45,7 @@
 	  "(default: 6m)\n");
   fprintf(stderr, "   -q             Be quiet\n");
   fprintf(stderr, "   -r readsize    Size of disk reads in bytes "
-	  "(default: 128m)\n");
+	  "(default: 64m)\n");
   fprintf(stderr, "   -s cutoff      Minimal file size in bytes to restore\n");
   fprintf(stderr, "   -S skipsize    Size to skip at the beginning\n");
   fprintf(stderr, "   -v             Be verbose\n");
@@ -213,7 +213,7 @@
   const char *dir_format;
   int c;
 
-  read_size = 128 * 1024 * 1024;
+  read_size = 64 * 1024 * 1024;
   block_size = 512;
   skip_size = 0;
   begin_index = 0;