The literature on correct and consistent voting has focused on issue-opinions and argument-positions when examining whether vote decisions correspond to individual political preferences. However, the question whether vote decisions align with basic political values has largely been neglected so far. This paper introduces a novel measure named value consistent voting. It finds that, in Switzerland, around 25% jettison their basic political values when deciding on proposals. Using multilevel regression analysis of survey data, this paper investigates the determinants of value consistent voting. Three theoretical approaches are tested; the sophistication, identification and ambivalence hypotheses. The results show that political sophistication and identification foster value consistent voting. Moreover, there is an interaction between education and adhering to the preferred party’s vote recommendation. This finding supports the thesis that highly educated citizens use heuristics most efficiently. However, the more ambivalent people are, the more often they vote against their basic political values.