diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 93668519a5..9358b5a52c 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -394,7 +394,7 @@ extracting icontainer icon files.")
    (source
      (origin
        (method url-fetch)
-       (uri (string-append "ftp://download.osgeo.org/libtiff/tiff-"
+       (uri (string-append "http://download.osgeo.org/libtiff/tiff-"
                            version ".tar.gz"))
        (sha256
         (base32