diff --git a/src/grep.c b/src/grep.c
index f4ae5f5..04ac9c9 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -799,7 +799,6 @@ skipped_file (char const *name, bool command_line, bool is_dir)

 static char *buffer;		/* Base of buffer. */
 static size_t bufalloc;		/* Allocated buffer size, counting slop. */
-enum { INITIAL_BUFSIZE = 32768 }; /* Initial buffer size, not counting slop. */
 static int bufdesc;		/* File descriptor. */
 static char *bufbeg;		/* Beginning of user-visible stuff. */
 static char *buflim;		/* Limit of user-visible stuff. */
@@ -812,6 +811,9 @@ static bool skip_nuls;		/* Skip '\0' in data.  */
 static bool skip_empty_lines;	/* Skip empty lines in data.  */
 static uintmax_t totalnl;	/* Total newline count before lastnl. */

+/* Initial buffer size, not counting slop. */
+enum { INITIAL_BUFSIZE = 128 * 1024 };
+
 /* Return VAL aligned to the next multiple of ALIGNMENT.  VAL can be
    an integer or a pointer.  Both args must be free of side effects.  */
 #define ALIGN_TO(val, alignment) \