diff --git a/lldb/source/Commands/CommandObjectPlatform.cpp b/lldb/source/Commands/CommandObjectPlatform.cpp
--- a/lldb/source/Commands/CommandObjectPlatform.cpp
+++ b/lldb/source/Commands/CommandObjectPlatform.cpp
@@ -498,8 +498,7 @@
                 lldb::eFilePermissionsWorldRead;
       lldb::user_id_t fd = platform_sp->OpenFile(
           FileSpec(cmd_line),
-          File::eOpenOptionReadWrite | File::eOpenOptionAppend |
-               File::eOpenOptionCanCreate,
+          File::eOpenOptionReadWrite | File::eOpenOptionCanCreate,
           perms, error);
       if (error.Success()) {
         result.AppendMessageWithFormat("File Descriptor = %" PRIu64 "\n", fd);
diff --git a/lldb/test/API/functionalities/gdb_remote_client/TestGDBRemotePlatformFile.py b/lldb/test/API/functionalities/gdb_remote_client/TestGDBRemotePlatformFile.py
--- a/lldb/test/API/functionalities/gdb_remote_client/TestGDBRemotePlatformFile.py
+++ b/lldb/test/API/functionalities/gdb_remote_client/TestGDBRemotePlatformFile.py
@@ -34,7 +34,7 @@
             self.match("platform file close 16",
                        [r"file 16 closed."])
             self.assertPacketLogContains([
-                "vFile:open:2f736f6d652f66696c652e747874,0000020a,000001ed",
+                "vFile:open:2f736f6d652f66696c652e747874,00000202,000001ed",
                 "vFile:pread:10,d,b",
                 "vFile:pwrite:10,b,teststring",
                 "vFile:close:10",
@@ -70,7 +70,7 @@
                        [r"error: Invalid argument"],
                        error=True)
             self.assertPacketLogContains([
-                "vFile:open:2f736f6d652f66696c652e747874,0000020a,000001ed",
+                "vFile:open:2f736f6d652f66696c652e747874,00000202,000001ed",
                 "vFile:pread:10,d,b",
                 "vFile:pwrite:10,b,teststring",
                 "vFile:close:10",