diff --git a/paddle/fluid/memory/allocation/cpu_allocator.h b/paddle/fluid/memory/allocation/cpu_allocator.h
index 165f11cd3b0015db92951bdc5de34f53dfdc36f6..26d3643f4edff1f2d71b1c761e915a6dacb485ad 100644
--- a/paddle/fluid/memory/allocation/cpu_allocator.h
+++ b/paddle/fluid/memory/allocation/cpu_allocator.h
@@ -17,7 +17,8 @@
 
 #ifdef _WIN32
 #define posix_memalign_free _aligned_free
-#define posix_memalign(p, a, s) (((*(p)) = _aligned_malloc((s), (a))), *(p) ? 0 : errno)
+#define posix_memalign(p, a, s) \
+  (((*(p)) = _aligned_malloc((s), (a))), *(p) ? 0 : errno)
 #endif
 
 namespace paddle {