diff --git a/tests/backtraces/call-with-cached-connection.scm b/tests/backtraces/call-with-cached-connection.scm
index 2e641a2..6f91f12 100644
--- a/tests/backtraces/call-with-cached-connection.scm
+++ b/tests/backtraces/call-with-cached-connection.scm
@@ -4,7 +4,7 @@
  (lambda ()
    (let ((cache (make-fixed-size-resource-pool
                  (list (open-input-string "fake")))))
-     ;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+     ;; FIRST BACKTRACE ENTRY: (with-exception-handler
      (with-exception-handler
          (lambda (e)
            (print-backtrace-and-exception/knots e)
diff --git a/tests/backtraces/call-with-resource-from-pool.scm b/tests/backtraces/call-with-resource-from-pool.scm
index cdbce9e..04dfb66 100644
--- a/tests/backtraces/call-with-resource-from-pool.scm
+++ b/tests/backtraces/call-with-resource-from-pool.scm
@@ -3,7 +3,7 @@
 (run-fibers
  (lambda ()
    (let ((pool (make-resource-pool (const 'resource) 1)))
-     ;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+     ;; FIRST BACKTRACE ENTRY: (with-exception-handler
      (with-exception-handler
          (lambda (e)
            (print-backtrace-and-exception/knots e)
diff --git a/tests/backtraces/call-with-thread.scm b/tests/backtraces/call-with-thread.scm
index 0921a31..964f96c 100644
--- a/tests/backtraces/call-with-thread.scm
+++ b/tests/backtraces/call-with-thread.scm
@@ -2,7 +2,7 @@
 
 (define thread-pool (make-fixed-size-thread-pool 1))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/fibers-force.scm b/tests/backtraces/fibers-force.scm
index 7abef0c..c0cf025 100644
--- a/tests/backtraces/fibers-force.scm
+++ b/tests/backtraces/fibers-force.scm
@@ -2,7 +2,7 @@
 
 (run-fibers
  (lambda ()
-   ;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+   ;; FIRST BACKTRACE ENTRY: (with-exception-handler
    (with-exception-handler
        (lambda (e)
          (print-backtrace-and-exception/knots e)
diff --git a/tests/backtraces/fibers-map.scm b/tests/backtraces/fibers-map.scm
index 24ef36c..02b9394 100644
--- a/tests/backtraces/fibers-map.scm
+++ b/tests/backtraces/fibers-map.scm
@@ -7,7 +7,7 @@
          ;; To avoid the test hanging if there's an exception
          (primitive-exit 1))
      (lambda ()
-       ;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+       ;; FIRST BACKTRACE ENTRY: (with-exception-handler
        (with-exception-handler
            (lambda (e)
              (print-backtrace-and-exception/knots e)
diff --git a/tests/backtraces/guile-error-deep-in-thread.scm b/tests/backtraces/guile-error-deep-in-thread.scm
index 405e2b9..5333b30 100644
--- a/tests/backtraces/guile-error-deep-in-thread.scm
+++ b/tests/backtraces/guile-error-deep-in-thread.scm
@@ -7,7 +7,7 @@
             (+ 1 'a)))         ; LAST BACKTRACE ENTRY HERE
     'unreachable))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/guile-error-in-thread.scm b/tests/backtraces/guile-error-in-thread.scm
index 3063dec..b0b216a 100644
--- a/tests/backtraces/guile-error-in-thread.scm
+++ b/tests/backtraces/guile-error-in-thread.scm
@@ -1,6 +1,6 @@
 (use-modules (knots))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/nested-parallelism.scm b/tests/backtraces/nested-parallelism.scm
index ceb53b9..97fe9c3 100644
--- a/tests/backtraces/nested-parallelism.scm
+++ b/tests/backtraces/nested-parallelism.scm
@@ -30,7 +30,7 @@
 (define result
   (run-fibers
    (lambda ()
-     ;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+     ;; FIRST BACKTRACE ENTRY: (with-exception-handler
      (with-exception-handler
          (lambda (e)
            (print-backtrace-and-exception/knots e)
diff --git a/tests/backtraces/plain-exception.scm b/tests/backtraces/plain-exception.scm
index f2ab1a2..165e4e5 100644
--- a/tests/backtraces/plain-exception.scm
+++ b/tests/backtraces/plain-exception.scm
@@ -1,6 +1,6 @@
 (use-modules (knots))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 
 (with-exception-handler
     (lambda (exn)
diff --git a/tests/backtraces/temporary-thread.scm b/tests/backtraces/temporary-thread.scm
index a962a7b..2b78275 100644
--- a/tests/backtraces/temporary-thread.scm
+++ b/tests/backtraces/temporary-thread.scm
@@ -1,6 +1,6 @@
 (use-modules (knots))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/triple-with-exception-handler.scm b/tests/backtraces/triple-with-exception-handler.scm
index 421f88e..299beed 100644
--- a/tests/backtraces/triple-with-exception-handler.scm
+++ b/tests/backtraces/triple-with-exception-handler.scm
@@ -1,6 +1,6 @@
 (use-modules (knots))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 
 (with-exception-handler
     (lambda _ #f)
diff --git a/tests/backtraces/vhash-fold-in-thread.scm b/tests/backtraces/vhash-fold-in-thread.scm
index e0a37c3..ac116f1 100644
--- a/tests/backtraces/vhash-fold-in-thread.scm
+++ b/tests/backtraces/vhash-fold-in-thread.scm
@@ -14,7 +14,7 @@
      #f)
     'done))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/vhash-fold.scm b/tests/backtraces/vhash-fold.scm
index 56da6f6..559d116 100644
--- a/tests/backtraces/vhash-fold.scm
+++ b/tests/backtraces/vhash-fold.scm
@@ -14,7 +14,7 @@
      #f)
     'done))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)
diff --git a/tests/backtraces/wrapped-exception.scm b/tests/backtraces/wrapped-exception.scm
index 79d3843..e10f638 100644
--- a/tests/backtraces/wrapped-exception.scm
+++ b/tests/backtraces/wrapped-exception.scm
@@ -1,6 +1,6 @@
 (use-modules (knots))
 
-;; FIRST BACKTRACE ENTRY: 1762:12    (with-exception-handler
+;; FIRST BACKTRACE ENTRY: (with-exception-handler
 (with-exception-handler
     (lambda (exn)
       (print-backtrace-and-exception/knots exn)