diff --git a/crates/tools/src/lib.rs b/crates/tools/src/lib.rs
index 66fca5bef18..6d4ac4726b1 100644
--- a/crates/tools/src/lib.rs
+++ b/crates/tools/src/lib.rs
@@ -45,7 +45,7 @@ pub fn collect_tests(s: &str) -> Vec<(usize, Test)> {
                 Some((idx, line)) if line.starts_with("test ") => {
                     break (idx, line["test ".len()..].to_string());
                 }
-                Some((idx, line)) if line.starts_with("test_fail ") => {
+                Some((idx, line)) if line.starts_with("test_err ") => {
                     ok = false;
                     break (idx, line["test_fail ".len()..].to_string());
                 }