diff --git a/e2e/v3_curl_test.go b/e2e/v3_curl_test.go
index ad981fb7e..8f77c40e3 100644
--- a/e2e/v3_curl_test.go
+++ b/e2e/v3_curl_test.go
@@ -156,7 +156,7 @@ func testV3CurlTxn(t *testing.T, pathPrefix string) {
 				Key:         []byte("foo"),
 				Result:      pb.Compare_EQUAL,
 				Target:      pb.Compare_CREATE,
-				TargetUnion: &pb.Compare_CreateRevision{0},
+				TargetUnion: &pb.Compare_CreateRevision{CreateRevision: 0},
 			},
 		},
 		Success: []*pb.RequestOp{