UE4 UI Material Texture Sample problem

I am currently working on a game, and using a material set to UI. However, when I try to drag in a texture that looks like this when I open it normally:

I instead get this:

269599-sunproblem.png

I cannot figure out why. I have set the texture to UI, and have tried reimporting, to no avail. Can anyone help?

In case anyone was wondering, the solution was to multiply the color by the alpha. I don’t know why this worked, but it did.