In 2011, Merter added a "nazar boncuğu" (traditional blue and white bead for good luck) image to its logo, with the aim of differentiating the two companies. This was criticised by Mahir Gıda as a violation of their agreement. They announced that no Koska product bore any signs like bugs, flowers or beads. In return, Merter announced that no Koska product without the image of the "Helvacı Dede" (Grandpa Helvacı) is genuine Koska.