In some languages with DOM, the exponents of DOM and dative are homophonous, e.g. in Spanish and Hindi. I argue that this pattern is not due to DOM objects and indirect objects being represented identically in syntax, but due to syncretism between accusative and dative case in these languages. This is indicated by a number of syntactic tests which group DOM objects with morphologically zero-coded direct objects, rather than with indirect objects, including nominalisation, relativisation, controlling secondary predicates, and passivisation. I suggest that languages with a ditransitive alternation between direct/indirect and primary/secondary objects provide further support for the syntactic difference of DOM and dative objects.