Parliament agreed on Thursday to amend legislation dating back to 1881 in favour of freedom of speech.
Previously, anyone tempted to offend the head of state risked a fine.
In March, the European Court of Human Rights ruled France violated freedom of expression by fining a man for insulting former French President Nicolas Sarkozy.
The abuse, repeating words that Mr Sarkozy himself had used previously, was a crude version of “get lost!”
The European Court said the man’s conviction and his 30-euro (£26) fine had been “disproportionate”.
The president would now need to prove there had been slander or defamation towards him.
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