diff --git a/inst/include/interface/rcpp/rcpp_interface.hpp b/inst/include/interface/rcpp/rcpp_interface.hpp
index bb9e4039..0232723f 100644
--- a/inst/include/interface/rcpp/rcpp_interface.hpp
+++ b/inst/include/interface/rcpp/rcpp_interface.hpp
@@ -658,9 +658,9 @@ RCPP_MODULE(fims) {
       .field("log_expected_index", &FleetInterface::log_expected_index)
       .field("proportion_catch_numbers_at_age", &FleetInterface::proportion_catch_numbers_at_age)
       .method("SetObservedAgeCompData", &FleetInterface::SetObservedAgeCompData)
-      .method("GetObservedAgeCompData", &FleetInterface::GetObservedAgeCompData)
+      .method("GetObservedAgeCompDataID", &FleetInterface::GetObservedAgeCompDataID)
       .method("SetObservedIndexData", &FleetInterface::SetObservedIndexData)
-      .method("GetObservedIndexData", &FleetInterface::GetObservedIndexData)
+      .method("GetObservedIndexDataID", &FleetInterface::GetObservedIndexDataID)
       .method("SetSelectivity", &FleetInterface::SetSelectivity);
 
   Rcpp::class_<AgeCompDataInterface>("AgeComp")