Speaking at the Cannes Film Festival, she also said she had never personally experienced sexism in the industry.
There are 12 films by female directors being shown at Cannes, up three from last year.  In 2012, there had been none.
Huppert told the BBC: "I think the message has been clearly heard. But on the other hand, you don't want to bring women just to bring women."
The French actress, nominated for an Oscar for her role in controversial drama Elle earlier this year, continued: "You have to strike the right balance between awareness and the reality of the situation...
"A good film is a good film. But we have to create the best possible conditions so there are more female films."
Asked why the issue of equality was still an issue in 2017, she said: "A lot has been done already, but there's still so much to do.
"And maybe not only in [the UK and France] but in poor countries, where most of the time women pay a strong price for difficult economic conditions and political conditions. Women are the first victims - it's no secret."
Huppert was speaking after her talk at Cannes as part of the Women in Motion programme, which highlights women's contribution to the film industry.
The actress said she had never been subject to sexist behaviour within the industry, saying she did "everything possible" to avoid those situations.
"I can figure it out from very, very far - I manage to never get close to it. I avoid it," she said.
Huppert said she was glad the issue of equality was being talked about more.
"There's no reason why women, for the same work, should be paid less. And it's good that people talk about how difficult it is to make a film."
Huppert has two films showing at Cannes this year: Claire's Camera, which was filmed in Cannes, and Happy End, directed by Michael Haneke.
Happy End, in competition for the Palme d'Or, is a family drama set in Calais amidst the refugee crisis.
Huppert told the BBC: "I just wanted to do a Michael Haneke film. I have a very privileged relationship with him as a director."
Asked if there was a dream role she would love to play, Huppert replied: "I don't have dreams. Things happen or don't happen - most of the time they happen unexpectedly and there is nothing that can be done about it before."
The festival in the south of France is celebrating its 70th year.
Huppert said: "For me, it's very important as I have been to Cannes so many times, and had so many movies in competition or out of competition.
"Cannes really is in the centre of my life."
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Crews from Kent Fire and Rescue Service worked through the night to tackle the blaze at Estuary View Business Park.
Stephanie Harris, who was in the area, said there was a "sudden" and "huge explosion" at about 22:00 BST on Friday.
An engineer who was repairing the gas main at the time is in hospital after suffering burns in the explosion.
Another man was treated at the scene of the blaze, which has now been extinguished.
Southern Gas Networks said the exact cause of the explosion has not yet been established.
It said 600 homes in the Old Thanet Way area were without gas and it was working to restore the supply.
A spokesman said: "It is too early to know what caused the fire last night but an investigation is under way.
"We would like to reassure the local community that we are continuing to closely monitor the situation to ensure their safety."
Kent Fire and Rescue said the gas main was isolated shortly before 03:00 on Saturday.
A spokesman said: "It is not known what caused the explosion at this stage."
Oscar nominee Isabelle Huppert says women's voices need to be heard more clearly in the film world.
[NEXT_CONCEPT]
A gas mains exploded into flames causing homes to "shake" in Whitstable, Kent.