The invention is directed to a polypropylene composition comprising (A) a propylene-based polymer, (B) talc and (C) a functionalized polypropylene grafted with an acid or acid anhydride functional group, wherein components (A) and (C) are different, wherein the amount of the talc in the composition is 0.025-4 wt % of the total composition and the amount of the functionalized polypropylene is 0.005-0.75 wt % of the total composition.