diff --git a/pkgs/applications/science/logic/monosat/default.nix b/pkgs/applications/science/logic/monosat/default.nix
index 1356c88d478..e49c80db9d6 100644
--- a/pkgs/applications/science/logic/monosat/default.nix
+++ b/pkgs/applications/science/logic/monosat/default.nix
@@ -65,7 +65,7 @@ let
     };
   };
 
-  python = { buildPythonPackage, cython }: buildPythonPackage {
+  python = { buildPythonPackage, cython, pytestCheckHook }: buildPythonPackage {
     inherit pname version src patches;
 
     propagatedBuildInputs = [ core cython ];
@@ -85,5 +85,12 @@ let
       substituteInPlace setup.py \
         --replace 'library_dir = "../../../../"' 'library_dir = "${core}/lib/"'
     '';
+
+    checkInputs = [ pytestCheckHook ];
+
+    disabledTests = [
+      "test_assertAtMostOne"
+      "test_assertEqual"
+    ];
   };
 in core
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3d53190eb32..397c19048f0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5366,7 +5366,7 @@ in {
 
   monosat = pkgs.monosat.python {
     inherit buildPythonPackage;
-    inherit (self) cython;
+    inherit (self) cython pytestCheckHook;
   };
 
   monotonic = callPackage ../development/python-modules/monotonic { };