diff --git a/src/protocol/http/http.c b/src/protocol/http/http.c
index 3d116121..a69da1be 100644
--- a/src/protocol/http/http.c
+++ b/src/protocol/http/http.c
@@ -978,14 +978,12 @@ decompress_data(struct connection *conn, unsigned char *data, int len,
 	do {
 		/* The initial value is used only when state == NORMAL.
 		 * Unconditional initialization avoids a GCC warning.  */
-		int to_read = PIPE_BUF;
-
 		if (state == NORMAL) {
 			/* ... we aren't finishing yet. */
 			int written;
 			
 			written = safe_write(conn->stream_pipes[1], data,
-						 len > to_read ? to_read : len);
+						 len > PIPE_BUF ? PIPE_BUF : len);
 
 			if (written > 0) {
 				data += written;