diff --git a/linphone-app/src/app/cli/Cli.cpp b/linphone-app/src/app/cli/Cli.cpp
index 5c77ecbb2..3cb636e94 100644
--- a/linphone-app/src/app/cli/Cli.cpp
+++ b/linphone-app/src/app/cli/Cli.cpp
@@ -395,7 +395,7 @@ QString Cli::Command::getFunctionSyntax () const {
 // FIXME: Do not accept args without value like: cmd toto.
 // In the future `toto` could be a boolean argument.
 QRegExp Cli::mRegExpArgs("(?:(?:([\\w-]+)\\s*)=\\s*(?:\"([^\"\\\\]*(?:\\\\.[^\"\\\\]*)*)\"|([^\\s]+)\\s*))");
-QRegExp Cli::mRegExpFunctionName("^\\s*([a-z-]+)\\s*");
+QRegExp Cli::mRegExpFunctionName("^\\s*([A-Z-]+)\\s*");
 
 QMap<QString, Cli::Command> Cli::mCommands = {
   createCommand("show", QT_TR_NOOP("showFunctionDescription"), cliShow, QHash<QString, Argument>(), true),
@@ -503,13 +503,13 @@ pair<QString, Cli::Command> Cli::createCommand (
   const QHash<QString, Argument> &argsScheme,
   const bool &genericArguments
 ) {
-  return { functionName, Cli::Command(functionName, functionDescription, function, argsScheme, genericArguments) };
+  return { functionName.toUpper(), Cli::Command(functionName.toUpper(), functionDescription, function, argsScheme, genericArguments) };
 }
 
 // -----------------------------------------------------------------------------
 
 QString Cli::parseFunctionName (const QString &command) {
-  mRegExpFunctionName.indexIn(command);
+  mRegExpFunctionName.indexIn(command.toUpper());
   if (mRegExpFunctionName.pos(1) == -1) {
     qWarning() << QStringLiteral("Unable to parse function name of command: `%1`.").arg(command);
     return QString("");
@@ -530,7 +530,7 @@ QHash<QString, QString> Cli::parseArgs (const QString &command) {
   QHash<QString, QString> args;
   int pos = 0;
 
-  while ((pos = mRegExpArgs.indexIn(command, pos)) != -1) {
+  while ((pos = mRegExpArgs.indexIn(command.toUpper(), pos)) != -1) {
     pos += mRegExpArgs.matchedLength();
     args[mRegExpArgs.cap(1)] = (mRegExpArgs.cap(2).isEmpty() ? mRegExpArgs.cap(3) : mRegExpArgs.cap(2));
   }