diff --git a/pkgs/development/python-modules/fastnumbers/default.nix b/pkgs/development/python-modules/fastnumbers/default.nix
index 12c3175424d3..779949b38fd7 100644
--- a/pkgs/development/python-modules/fastnumbers/default.nix
+++ b/pkgs/development/python-modules/fastnumbers/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fastnumbers
 , fetchFromGitHub
@@ -26,6 +27,10 @@ buildPythonPackage rec {
     typing-extensions
   ];
 
+  # Tests fail due to numeric precision differences on ARM
+  # See https://github.com/SethMMorton/fastnumbers/issues/28
+  doCheck = !(stdenv.isAarch64 || stdenv.isAarch32);
+
   checkInputs = [
     hypothesis
     pytestCheckHook