diff --git a/guix/utils.scm b/guix/utils.scm
index 709cdf9353..f480c3291f 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -718,7 +718,7 @@ (define (absolute target)
 
 (define (canonical-newline-port port)
   "Return an input port that wraps PORT such that all newlines consist
-  of a single carriage return."
+  of a single linefeed."
   (define (get-position)
     (if (port-has-port-position? port) (port-position port) #f))
   (define (set-position! position)
@@ -730,11 +730,11 @@ (define (read! bv start n)
     (let loop ((count 0)
                (byte (get-u8 port)))
       (cond ((eof-object? byte) count)
+            ;; XXX: consume all CRs even if not followed by LF.
+            ((eqv? byte (char->integer #\return)) (loop count (get-u8 port)))
             ((= count (- n 1))
              (bytevector-u8-set! bv (+ start count) byte)
              n)
-            ;; XXX: consume all LFs even if not followed by CR.
-            ((eqv? byte (char->integer #\return)) (loop count (get-u8 port)))
             (else
              (bytevector-u8-set! bv (+ start count) byte)
              (loop (+ count 1) (get-u8 port))))))
diff --git a/tests/utils.scm b/tests/utils.scm
index 44861384ab..f78ec356bd 100644
--- a/tests/utils.scm
+++ b/tests/utils.scm
@@ -230,6 +230,12 @@ (define (test-compression/decompression method run?)
                "This is a journey\r\nInto the sound\r\nA journey ...\n")))
     (get-string-all (canonical-newline-port port))))
 
+(test-equal "canonical-newline-port-1024"
+  (string-concatenate (make-list 100 "0123456789abcde\n"))
+  (let ((port (open-string-input-port
+               (string-concatenate
+                (make-list 100 "0123456789abcde\r\n")))))
+    (get-string-all (canonical-newline-port port))))
 
 (test-equal "edit-expression"
   "(display \"GNU Guix\")\n(newline)\n"