diff --git a/lldb/source/Host/freebsd/Host.cpp b/lldb/source/Host/freebsd/Host.cpp
--- a/lldb/source/Host/freebsd/Host.cpp
+++ b/lldb/source/Host/freebsd/Host.cpp
@@ -83,6 +83,7 @@
                     match_info_ptr->GetProcessInfo().GetName())))
     return false;
 
+  process_info.SetArg0(cstr);
   Args &proc_args = process_info.GetArguments();
   while (1) {
     const uint8_t *p = data.PeekData(offset, 1);
diff --git a/lldb/test/API/commands/platform/process/list/TestProcessList.py b/lldb/test/API/commands/platform/process/list/TestProcessList.py
--- a/lldb/test/API/commands/platform/process/list/TestProcessList.py
+++ b/lldb/test/API/commands/platform/process/list/TestProcessList.py
@@ -19,7 +19,6 @@
 
     @skipIfWindows  # https://bugs.llvm.org/show_bug.cgi?id=43702
     @skipIfRemote   # rdar://problem/66542336
-    @expectedFailureAll(oslist=['freebsd'])
     def test_process_list_with_args(self):
         """Test process list show process args"""
         self.build()