--- a/src/os/unix/ngx_atomic.h
+++ b/src/os/unix/ngx_atomic.h
@@ -276,26 +276,26 @@ typedef volatile ngx_atomic_uint_t  ngx_
 
 static ngx_inline ngx_atomic_uint_t
 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
-     ngx_atomic_uint_t set)
+    ngx_atomic_uint_t set)
 {
-     if (*lock == old) {
-         *lock = set;
-         return 1;
-     }
+    if (*lock == old) {
+        *lock = set;
+        return 1;
+    }
 
-     return 0;
+    return 0;
 }
 
 
 static ngx_inline ngx_atomic_int_t
 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
 {
-     ngx_atomic_int_t  old;
+    ngx_atomic_int_t  old;
 
-     old = *value;
-     *value += add;
+    old = *value;
+    *value += add;
 
-     return old;
+    return old;
 }
 
 #define ngx_memory_barrier()