diff --git a/share/qtcreator/debugger/lldbbridge.py b/share/qtcreator/debugger/lldbbridge.py
index da99546cec2..7b5c002b432 100644
--- a/share/qtcreator/debugger/lldbbridge.py
+++ b/share/qtcreator/debugger/lldbbridge.py
@@ -1836,11 +1836,11 @@ class Dumper(DumperBase):
         self.process.SetSelectedThreadByID(int(args['id']))
         self.reportResult('', args)
 
-    def fetchFullBacktrace(self, _=None):
+    def fetchFullBacktrace(self, args):
         command = 'thread backtrace all'
         result = lldb.SBCommandReturnObject()
         self.debugger.GetCommandInterpreter().HandleCommand(command, result)
-        self.reportResult(self.hexencode(result.GetOutput()), {})
+        self.reportResult('fulltrace="%s"' % self.hexencode(result.GetOutput()), args)
 
     def executeDebuggerCommand(self, args):
         self.reportToken(args)
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 9d1717fff54..12da7a86fc4 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -1030,8 +1030,8 @@ void LldbEngine::fetchDisassembler(DisassemblerAgent *agent)
 void LldbEngine::fetchFullBacktrace()
 {
     DebuggerCommand cmd("fetchFullBacktrace");
-    cmd.callback = [](const DebuggerResponse &response)  {
-        Internal::openTextEditor("Backtrace $", fromHex(response.data.data()));
+    cmd.callback = [](const DebuggerResponse &response) {
+        Internal::openTextEditor("Backtrace $", fromHex(response.data["fulltrace"].data()));
     };
     runCommand(cmd);
 }