diff --git a/tests/testthat/test-summarize-by-gene.R b/tests/testthat/test-summarize-by-gene.R
index a4e7a78b..5eb05cff 100644
--- a/tests/testthat/test-summarize-by-gene.R
+++ b/tests/testthat/test-summarize-by-gene.R
@@ -115,7 +115,7 @@ test_that("no warning message thrown when only 1 alt type", {
     include_silent = FALSE
   )
 
-  expect_no_warning(summarize_by_gene(bin.mut)
+  expect_no_warning(summarize_by_gene(bin.mut))