diff --git a/apps/debug_adapter/lib/debug_adapter/server.ex b/apps/debug_adapter/lib/debug_adapter/server.ex
index 41ecb6bdf..6c9000e7e 100644
--- a/apps/debug_adapter/lib/debug_adapter/server.ex
+++ b/apps/debug_adapter/lib/debug_adapter/server.ex
@@ -2942,7 +2942,10 @@ defmodule ElixirLS.DebugAdapter.Server do
     rescue
       ArgumentError ->
         # remote process
-        process_name_from_snapshot(Map.fetch!(snapshot_by_pid, pid))
+        case Map.get(snapshot_by_pid, pid) do
+          nil -> nil
+          snapshot -> process_name_from_snapshot(snapshot)
+        end
     else
       nil -> nil
       process_info -> process_name_from_info(process_info)