diff --git a/lldb/include/lldb/Host/ProcessLaunchInfo.h b/lldb/include/lldb/Host/ProcessLaunchInfo.h
--- a/lldb/include/lldb/Host/ProcessLaunchInfo.h
+++ b/lldb/include/lldb/Host/ProcessLaunchInfo.h
@@ -159,14 +159,12 @@
     m_scripted_process_class_name = name;
   }
 
-  lldb_private::StructuredData::DictionarySP
-  GetScriptedProcessDictionarySP() const {
-    return m_scripted_process_dictionary_sp;
+  std::string GetScriptedProcessDictionary() const {
+    return m_scripted_process_dict;
   }
 
-  void SetScriptedProcessDictionarySP(
-      lldb_private::StructuredData::DictionarySP dictionary_sp) {
-    m_scripted_process_dictionary_sp = dictionary_sp;
+  void SetScriptedProcessDictionary(std::string dict) {
+    m_scripted_process_dict = dict;
   }
 
 protected:
@@ -186,9 +184,9 @@
   lldb::ListenerSP m_hijack_listener_sp;
   std::string m_scripted_process_class_name; // The name of the class that will
                                              // manage a scripted process.
-  StructuredData::DictionarySP
-      m_scripted_process_dictionary_sp; // A dictionary that holds key/value
-                                        // pairs passed to the scripted process.
+  std::string
+      m_scripted_process_dict; // A serialized dictionary that holds key/value
+                               // pairs passed to the scripted process.
 };
 }
 
diff --git a/lldb/source/API/SBLaunchInfo.cpp b/lldb/source/API/SBLaunchInfo.cpp
--- a/lldb/source/API/SBLaunchInfo.cpp
+++ b/lldb/source/API/SBLaunchInfo.cpp
@@ -367,12 +367,9 @@
 lldb::SBStructuredData SBLaunchInfo::GetScriptedProcessDictionary() const {
   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBStructuredData, SBLaunchInfo,
                                    GetScriptedProcessDictionary);
-
-  lldb_private::StructuredData::DictionarySP dict_sp =
-      m_opaque_sp->GetScriptedProcessDictionarySP();
-
   SBStructuredData data;
-  data.m_impl_up->SetObjectSP(dict_sp);
+  data.m_impl_up->SetObjectSP(
+      StructuredData::ParseJSON(m_opaque_sp->GetScriptedProcessDictionary()));
 
   return LLDB_RECORD_RESULT(data);
 }
@@ -387,11 +384,7 @@
   if (error.Fail())
     return;
 
-  StructuredData::DictionarySP dict_sp;
-  llvm::json::OStream s(stream.ref().AsRawOstream());
-  dict_sp->Serialize(s);
-
-  m_opaque_sp->SetScriptedProcessDictionarySP(dict_sp);
+  m_opaque_sp->SetScriptedProcessDictionary(stream.GetData());
 }
 
 namespace lldb_private {
diff --git a/lldb/source/Commands/CommandObjectProcess.cpp b/lldb/source/Commands/CommandObjectProcess.cpp
--- a/lldb/source/Commands/CommandObjectProcess.cpp
+++ b/lldb/source/Commands/CommandObjectProcess.cpp
@@ -190,8 +190,16 @@
       m_options.launch_info.SetProcessPluginName("ScriptedProcess");
       m_options.launch_info.SetScriptedProcessClassName(
           m_class_options.GetName());
-      m_options.launch_info.SetScriptedProcessDictionarySP(
-          m_class_options.GetStructuredData());
+      const StructuredData::DictionarySP dict_sp =
+          m_class_options.GetStructuredData();
+
+      if (dict_sp) {
+        StreamString stream;
+        llvm::json::OStream s(stream.AsRawOstream());
+        dict_sp->Serialize(s);
+        m_options.launch_info.SetScriptedProcessDictionary(stream.GetData());
+      }
+
       target->SetProcessLaunchInfo(m_options.launch_info);
     }
 
diff --git a/lldb/source/Host/common/ProcessLaunchInfo.cpp b/lldb/source/Host/common/ProcessLaunchInfo.cpp
--- a/lldb/source/Host/common/ProcessLaunchInfo.cpp
+++ b/lldb/source/Host/common/ProcessLaunchInfo.cpp
@@ -32,7 +32,7 @@
     : ProcessInfo(), m_working_dir(), m_plugin_name(), m_flags(0),
       m_file_actions(), m_pty(new PseudoTerminal), m_monitor_callback(nullptr),
       m_listener_sp(), m_hijack_listener_sp(), m_scripted_process_class_name(),
-      m_scripted_process_dictionary_sp() {}
+      m_scripted_process_dict() {}
 
 ProcessLaunchInfo::ProcessLaunchInfo(const FileSpec &stdin_file_spec,
                                      const FileSpec &stdout_file_spec,
@@ -43,7 +43,7 @@
       m_file_actions(), m_pty(new PseudoTerminal), m_resume_count(0),
       m_monitor_callback(nullptr), m_monitor_callback_baton(nullptr),
       m_monitor_signals(false), m_listener_sp(), m_hijack_listener_sp(),
-      m_scripted_process_class_name(), m_scripted_process_dictionary_sp() {
+      m_scripted_process_class_name(), m_scripted_process_dict() {
   if (stdin_file_spec) {
     FileAction file_action;
     const bool read = true;
@@ -173,7 +173,7 @@
   m_listener_sp.reset();
   m_hijack_listener_sp.reset();
   m_scripted_process_class_name.clear();
-  m_scripted_process_dictionary_sp.reset();
+  m_scripted_process_dict.clear();
 }
 
 void ProcessLaunchInfo::SetMonitorProcessCallback(
diff --git a/lldb/source/Plugins/Process/scripted/ScriptedProcess.h b/lldb/source/Plugins/Process/scripted/ScriptedProcess.h
--- a/lldb/source/Plugins/Process/scripted/ScriptedProcess.h
+++ b/lldb/source/Plugins/Process/scripted/ScriptedProcess.h
@@ -25,6 +25,8 @@
   public:
     ScriptedProcessInfo(const ProcessLaunchInfo &launch_info) {
       m_class_name = launch_info.GetScriptedProcessClassName();
+      m_args_sp =
+          StructuredData::ParseJSON(launch_info.GetScriptedProcessDictionary());
     }
 
     std::string GetClassName() const { return m_class_name; }
diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -2930,8 +2930,8 @@
     default_launch_info.SetProcessPluginName("ScriptedProcess");
     default_launch_info.SetScriptedProcessClassName(
         launch_info.GetScriptedProcessClassName());
-    default_launch_info.SetScriptedProcessDictionarySP(
-        launch_info.GetScriptedProcessDictionarySP());
+    default_launch_info.SetScriptedProcessDictionary(
+        launch_info.GetScriptedProcessDictionary());
 
     SetProcessLaunchInfo(launch_info);
   }