diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
index 2e61c74653b9..7c84bf418b99 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
@@ -550,10 +550,10 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_pRead(
   packet.SetFilePos(::strlen("vFile:pread:"));
   int fd = packet.GetS32(-1);
   if (packet.GetChar() == ',') {
-    uint64_t count = packet.GetU64(UINT64_MAX);
+    size_t count = packet.GetU64(SIZE_MAX);
     if (packet.GetChar() == ',') {
       off_t offset = packet.GetU64(UINT32_MAX);
-      if (count == UINT64_MAX) {
+      if (count == SIZE_MAX) {
         response.Printf("F-1:%i", EINVAL);
         return SendPacketNoLock(response.GetString());
       }