diff --git a/pkgs/development/python-modules/reproject/default.nix b/pkgs/development/python-modules/reproject/default.nix
index 18fdd682f712..2d4d24cf8057 100644
--- a/pkgs/development/python-modules/reproject/default.nix
+++ b/pkgs/development/python-modules/reproject/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , numpy
 , astropy
 , astropy-healpix
@@ -24,6 +25,12 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [ astropy-helpers cython ];
 
+  # Fix tests
+  patches = [ (fetchpatch {
+    url = "https://github.com/astropy/reproject/pull/218/commits/4661e075137424813ed77f1ebcbc251fee1b8467.patch";
+    sha256 = "13g3h824pqn2lgypzg1b87vkd44y7m302lhw3kh4rfww1dkzhm9v";
+  }) ];
+
   # Disable automatic update of the astropy-helper module
   postPatch = ''
     substituteInPlace setup.cfg --replace "auto_use = True" "auto_use = False"