diff --git a/R/assert.R b/R/assert.R
index 66197d3..5d41827 100644
--- a/R/assert.R
+++ b/R/assert.R
@@ -41,9 +41,10 @@ assert <- function(.data, ..., msg = "Assertion does not hold") {
     )
     cat(msg)
 
+    .condition_eval -> NULL
     .assert_fails <- dplyr::mutate(.data, .condition_eval = condition_eval)
     if (rlang::is_interactive()) {
-      View(.assert_fails) # TODO: should we sample?
+      utils::View(.assert_fails) # TODO: should we sample?
     } else {
       .assert_fails |>
         dplyr::filter(!.condition_eval) |>