diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 65f01f89033..d9ade1ea96a 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -5993,7 +5993,12 @@ astronomical tables
                     (list "not test_sampler"
                           ;; TypeError: SLIT_Starlets.function_2d() got an
                           ;; unexpected keyword argument 'n_pix_x'
-                          "test_pixelbased_modelling")
+                          "test_pixelbased_modelling"
+                          ;; This might be NumPy issue:
+                          ;; Arrays are not almost equal to 3 decimals
+                          ;;  ACTUAL: -8669.992995432973
+                          ;;  DESIRED: -9108.078115857057
+                          "test_multiplane")
                     " and not "))
       #:phases
       #~(modify-phases %standard-phases