diff --git a/a8/fifobuffer.cc b/a8/fifobuffer.cc
index 5cb27a0..1a6a9dc 100644
--- a/a8/fifobuffer.cc
+++ b/a8/fifobuffer.cc
@@ -1,11 +1,11 @@
 #include <a8/a8.h>
 
-#include <a8/orderbuffer.h>
+#include <a8/fifobuffer.h>
 
 namespace a8
 {
 
-    OrderBuffer::OrderBuffer(unsigned int buf_len)
+    FifoBuffer::FifoBuffer(unsigned int buf_len)
     {
         if (buf_len <= 0) {
             abort();
@@ -14,14 +14,14 @@ namespace a8
         buf_len_ = buf_len;
     }
 
-    OrderBuffer::~OrderBuffer()
+    FifoBuffer::~FifoBuffer()
     {
         free(buf_);
         buf_ = nullptr;
         buf_len_ = 0;
     }
 
-    char* OrderBuffer::Alloc(unsigned int len)
+    char* FifoBuffer::Alloc(unsigned int len)
     {
         if (len <= 0) {
             abort();
@@ -29,7 +29,7 @@ namespace a8
         unsigned int real_len = len + 4;
     }
 
-    void OrderBuffer::Free(char* p)
+    void FifoBuffer::Free(char* p)
     {
 
     }
diff --git a/a8/fifobuffer.h b/a8/fifobuffer.h
index 4193f67..ee0fb49 100644
--- a/a8/fifobuffer.h
+++ b/a8/fifobuffer.h
@@ -5,12 +5,12 @@
 namespace a8
 {
 
-    class OrderBuffer
+    class FifoBuffer
     {
     public:
 
-        OrderBuffer(unsigned int buf_len);
-        ~OrderBuffer();
+        FifoBuffer(unsigned int buf_len);
+        ~FifoBuffer();
 
         char* Alloc(unsigned int len);
         void Free(char* p);