diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index a79d63fb5d..f9da1e9e89 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -1009,6 +1009,9 @@ graphics image formats like PNG, BMP, JPEG, TIFF and others.")
       (sha256 (base32
                 "1bqs8vx5i1bzamvv563i24gx2xxdidqyxh9iaj46mbznhc84wmm5"))))
    (build-system cmake-build-system)
+   ;; Otherwise it fails on <ci.guix.gnu.org> in the check phase after 3600
+   ;; seconds of silence.
+   (properties '((max-silent-time . 7200)))
    (inputs
     `(("boost" ,boost)
       ("fftw" ,fftw)