diff --git a/test/src/e2e_vm_tests/test_programs/should_pass/language/gtf_intrinsic/src/main.sw b/test/src/e2e_vm_tests/test_programs/should_pass/language/gtf_intrinsic/src/main.sw
index c02e50d0010..d1ddee0ffe0 100644
--- a/test/src/e2e_vm_tests/test_programs/should_pass/language/gtf_intrinsic/src/main.sw
+++ b/test/src/e2e_vm_tests/test_programs/should_pass/language/gtf_intrinsic/src/main.sw
@@ -4,7 +4,7 @@ use std::tx::*;
 
 fn main() -> u64 {
     assert(tx_witnesses_count() == 3);
-    assert(tx_witness_data::<u8>(1) == 1);
-    assert(tx_witness_data::<u64>(2) == 1234);
+    assert(tx_witness_data::<u8>(1).unwrap() == 1);
+    assert(tx_witness_data::<u64>(2).unwrap(0) == 1234);
     0
 }