A Chipotle shareholder is suing the company after the social media frenzy that occurred due to the allegedly small and inconsistent portions across its restaurants.

Chipotle Mexican Grill was sued on Monday by shareholders for concealing how many of its restaurants were skimping on portions, forcing the chain to spend more on ingredients and hurting its stock price.

A Chipotle shareholder is suing the company over a skimpy-portions uproar that allegedly ruined their investment. Revelations of Chipotle’s inconsistent portion sizes that rocked social media in July and August sparked a “precipitous decline” in the fast food chain’s stock,