diff --git a/mobilecoind/src/payments.rs b/mobilecoind/src/payments.rs
index 773ecfd802..6ad632fb14 100644
--- a/mobilecoind/src/payments.rs
+++ b/mobilecoind/src/payments.rs
@@ -1378,9 +1378,12 @@ impl<T: BlockchainConnection + UserTxConnection + 'static, FPR: FogPubkeyResolve
         }
 
         // Build sci.
-        sci_builder
+        let mut result = sci_builder
             .build(&NoKeysRingSigner {}, rng)
-            .map_err(|err| Error::TxBuild(format!("build tx failed: {err}")))
+            .map_err(|err| Error::TxBuild(format!("build tx failed: {err}")))?;
+
+        result.tx_out_global_indices = global_indices;
+        Ok(result)
     }
 }
 
diff --git a/mobilecoind/src/service.rs b/mobilecoind/src/service.rs
index 9673a19345..b2ac4fe480 100644
--- a/mobilecoind/src/service.rs
+++ b/mobilecoind/src/service.rs
@@ -3815,6 +3815,12 @@ mod test {
             let sci = SignedContingentInput::try_from(sci).unwrap();
 
             sci.validate().unwrap();
+            assert_eq!(sci.tx_out_global_indices.len(), 11);
+            // Indices should be distinct
+            assert_eq!(
+                HashSet::from_iter(sci.tx_out_global_indices.iter()).len(),
+                11
+            );
 
             let unmasked_amount = sci.required_output_amounts[0].clone();
             assert_eq!(unmasked_amount.value, 999_999);