General ElectricIt announced an upward revision in its full year earnings forecast Tuesday following a recovery of its jet-engine company that helped it report higher-than expected quarterly profits.

According to the industrial conglomerate however, it faces a “challenging” operating environment due to global supply chains disruptions and uncertain whether production tax credit for offshore wind investments will continue over time in President Joe Biden’s infrastructure bill.

GE is facing a shortage of raw materials and a labor crunch, just like many other manufacturing companies. It anticipates supply restrictions to continue through the remainder of the year as well as in 2022. This will impact profit in its Healthcare business.

Its onshore wind business is being affected by the uncertainty surrounding production tax credit. GE worries that customers will delay investments if incentives are extended. It expects that its renewable energy unit will burn cash in the coming year.

Boston-based firm expects to make 2021 an adjusted profit of between $1.80 and $2.10 per share. This is a significant increase from the $1.20 to $1.00 estimate previously.

GE expects to see revenue growth and margin expansion next year. It also anticipates higher free cash flows. However, it reduced its free cash flow forecasts for 2021 from $3.5 billion to $5.0 million to $3.75 to $4.75 to reflect the lower estimate.

Premarket trading saw shares rise by 1.32% to $106.69

The adjusted profit of the third quarter came to 57c per share. According to data from Refinitiv, analysts expected to earn 43 cents per share on an average.

This quarter’s free cash flow was $1.7 billion from industrial operations, as compared to $514 millions a year earlier.