Total tax increasing a lot while filling joint tax return with my wife, who never earned anything in Germany, after declaring her income from before she moved into Germany - Is this typical ?

I have been a tax resident in Germany for several years now and I had a tax class 1. I got married in 2024 and few months later, I was able to register my marriage and change my tax class to 3. My wife was working in our home country and the tax was being deducted there. Then in August, she moved to Germany on FRV. She did not earn anything in Germany till date. I was filing my tax return in Elster and I decided to file jointly for both of us. Since my tax class changed, I was expecting a good a