Safe behavior is a form of behavior to act safelyduring work, to reduce and prevent work accidents. This study aimed to look at correlation between age, job experience, motivation, knowledge, attitude, availability of work instruction and worker compliance to work instruction among forklift operator. Questionnaire was used to determine age, job experience, motivation, knowledge, attitude, and availability of work instruction. Observation method was used to measure worker compliance to work instructions. The collected data were analyzed using logistic regression and bootstrap to find which variable had strong relationship with worker compliance to work instructions. The results indicated that motivation had significant correlation with workers compliance to work instruction. It could be concluded that motivation was a significant determinant compared to work instruction among forklift operator. It is therefore recommended that company perform routine inspection and safety training of forklift operation.