Although numerous studies have investigated the relapse attributions of alcoholics, few have considered the biases inherent in such attributions. Two sources of bias were investigated in the relapse attributions of 26 alcoholic men and their wives: the passage of time and actor-observer perspective. As predicted: (a) Wives made more dispositional attributions than their husbands (an actor-observer difference); (b) the attributions of the husbands showed a dispositional shift over time, while their wives' attributions showed no temporal effects; and (c) attributional concordance within couples increased over time. Several explanations for these results were considered and implications for couples therapy with recovering alcoholics and their spouses were discussed.