diff --git a/paddle/fluid/memory/allocation/mmap_allocator.cc b/paddle/fluid/memory/allocation/mmap_allocator.cc
index d6a67642d09cc91b769bef35b352980fdb386376..2e091fa1b2f60ba33f859d2240832628c4bdcffc 100644
--- a/paddle/fluid/memory/allocation/mmap_allocator.cc
+++ b/paddle/fluid/memory/allocation/mmap_allocator.cc
@@ -43,7 +43,7 @@ std::string GetIPCName() {
   handle += std::to_string(getpid());
 #endif
   handle += "_";
-  handle += counter.fetch_add(1);
+  handle += std::to_string(counter.fetch_add(1));
   handle += "_";
   handle += std::to_string(rd());
   return handle;