diff --git a/server.c b/server.c
index c5a6fb1..738d2d4 100644
--- a/server.c
+++ b/server.c
@@ -31,14 +31,14 @@ static inline uint32_t last_nonnull(const char* p, uint32_t max_size);
 #define TCPOOL_THREADCNT THREADCNT
 #define TCPOOL_MAXWAITSEC MAXWAITSEC
 #define TCPOOL_THREAD_CONTEXT   \
+    ssize_t numbytes;           \
+    char *dat;                  \
     uint8_t buf[                    \
         TCPOOL_THREAD_TIMER_T_SZ    \
         -TCPOOL_THREAD_TIMER_T_HEAD_SZ  \
         -sizeof(ssize_t)    \
         -sizeof(char*)      \
-    ];                       \
-    ssize_t numbytes;       \
-    char *dat
+    ]
 
 static dict_t setdicts[THREADCNT];
 static uint32_t* items_len;
diff --git a/tcpool.h b/tcpool.h
index 371bf82..72b12ae 100644
--- a/tcpool.h
+++ b/tcpool.h
@@ -77,9 +77,9 @@ struct tcpool_thread_timer_t {
     pthread_cond_t tc;      // lock by tmc
     pthread_mutex_t tmc;    // lock tc&hastimerslept
     pthread_rwlock_t mb;    // lock isbusy
+    TCPOOL_THREAD_CONTEXT;
     uint8_t isbusy;         // lock by mb
     uint8_t hastimerslept;  // lock by tmc
-    TCPOOL_THREAD_CONTEXT;
 };
 typedef struct tcpool_thread_timer_t tcpool_thread_timer_t;