The KJV is not as clear concerning this as the Hebrew:
14 And the Lord God said to the serpent, "Because you have done this, cursed be you more than all the cattle and more than all the beasts of the field; you shall walk on your belly, and you shall eat dust all the days of your life.
ידוַיֹּ֩אמֶר֩ יְהֹוָ֨ה אֱלֹהִ֥ים | אֶל־הַנָּחָשׁ֘ כִּ֣י עָשִׂ֣יתָ זֹּאת֒ אָר֤וּר אַתָּה֙ מִכָּל־הַבְּהֵמָ֔ה וּמִכֹּ֖ל חַיַּ֣ת הַשָּׂדֶ֑ה עַל־גְּחֹֽנְךָ֣ תֵלֵ֔ךְ וְעָפָ֥ר תֹּאכַ֖ל כָּל־יְמֵ֥י חַיֶּֽיךָ:
15 And I shall place hatred between you and between the woman, and between your seed and between her seed.
He will crush your head, and you will bite his heel."
טווְאֵיבָ֣ה | אָשִׁ֗ית בֵּֽינְךָ֙ וּבֵ֣ין הָֽאִשָּׁ֔ה וּבֵ֥ין זַֽרְעֲךָ֖ וּבֵ֣ין זַרְעָ֑הּ ה֚וּא יְשֽׁוּפְךָ֣ רֹ֔אשׁ וְאַתָּ֖ה תְּשׁוּפֶ֥נּוּ עָקֵֽב: