Rangers legend Johnstone does not want to see the Gers become complacent.
Johnstone said: “The biggest danger for Rangers now is complacency. You can get used to winning and it is easy to take your foot off the gas.”
Johnstone does highlight something that could start to affect Rangers in the coming weeks, with Mark Warburton’s side storming to the top of the Championship table. They have picked up eight wins from eight games, scoring 28 goals and conceding just four.
They are already nine points clear at the top of the table, and a victory over Falkirk this weekend would put them 12 points ahead of the current second-placed team.
With this kind of lead, there is always the sense that the players will take their foot off the pedal, knowing that they do not need to play at top form all the time to keep winning.
However, this could have a negative impact, as opposing teams will present a tough challenge if the Gers are not playing at their best.
Despite their incredible start to the campaign, Rangers should not take their form for granted, and Warburton needs to ensure he keeps the Gers playing as they have been, and focusing upon every game as they come.