diff --git a/src/plugins/debugger/debuggerprotocol.cpp b/src/plugins/debugger/debuggerprotocol.cpp
index 45288cb83cc..860e1868581 100644
--- a/src/plugins/debugger/debuggerprotocol.cpp
+++ b/src/plugins/debugger/debuggerprotocol.cpp
@@ -753,11 +753,19 @@ void DebuggerCommand::arg(const char *name, const char *value)
 void DebuggerCommand::arg(const char *name, const QList<int> &list)
 {
     QJsonArray numbers;
-    foreach (int item, list)
+    for (int item : list)
         numbers.append(item);
     args = addToJsonObject(args, name, numbers);
 }
 
+void DebuggerCommand::arg(const char *name, const QStringList &list)
+{
+    QJsonArray arr;
+    for (const QString &item : list)
+        arr.append(toHex(item));
+    args = addToJsonObject(args, name, arr);
+}
+
 void DebuggerCommand::arg(const char *value)
 {
     QTC_ASSERT(args.isArray() || args.isNull(), return);
diff --git a/src/plugins/debugger/debuggerprotocol.h b/src/plugins/debugger/debuggerprotocol.h
index ad6f3ed822e..e72ffe36063 100644
--- a/src/plugins/debugger/debuggerprotocol.h
+++ b/src/plugins/debugger/debuggerprotocol.h
@@ -59,6 +59,7 @@ public:
     void arg(const char *name, const QString &value);
     void arg(const char *name, const char *value);
     void arg(const char *name, const QList<int> &list);
+    void arg(const char *name, const QStringList &list); // Note: Hex-encodes.
     void arg(const char *name, const QJsonValue &value);
 
     QString argsToPython() const;
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 1a8593686bd..e24dea5d77f 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -339,16 +339,8 @@ void LldbEngine::setupInferior()
     cmd2.arg("startmode", rp.startMode);
     cmd2.arg("nativemixed", isNativeMixedActive());
     cmd2.arg("workingdirectory", rp.inferior.workingDirectory);
-
-    QJsonArray env;
-    foreach (const QString &item, rp.inferior.environment.toStringList())
-        env.append(toHex(item));
-    cmd2.arg("environment", env);
-
-    QJsonArray processArgs;
-    foreach (const QString &arg, args.toUnixArgs())
-        processArgs.append(QLatin1String(arg.toUtf8().toHex()));
-    cmd2.arg("processargs", processArgs);
+    cmd2.arg("environment", rp.inferior.environment.toStringList());
+    cmd2.arg("processargs", args.toUnixArgs());
 
     if (rp.useTerminal) {
         QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());