diff --git a/pkgs/development/python-modules/fonttools/default.nix b/pkgs/development/python-modules/fonttools/default.nix
index ba9929caacce..88789f6b57f3 100644
--- a/pkgs/development/python-modules/fonttools/default.nix
+++ b/pkgs/development/python-modules/fonttools/default.nix
@@ -57,12 +57,14 @@ buildPythonPackage rec {
 
   checkInputs = [
     pytestCheckHook
-  ] ++ lib.concatLists (lib.attrVals [
+  ] ++ lib.concatLists (lib.attrVals ([
     "woff"
     "interpolatable"
-    "pathops"
+  ] ++ lib.optionals (!skia-pathops.meta.broken) [
+    "pathops" # broken
+  ] ++ [
     "repacker"
-  ] passthru.optional-dependencies);
+  ]) passthru.optional-dependencies);
 
   pythonImportsCheck = [ "fontTools" ];
 
diff --git a/pkgs/development/python-modules/skia-pathops/default.nix b/pkgs/development/python-modules/skia-pathops/default.nix
index 53d1fb1227d7..28a67e67d91a 100644
--- a/pkgs/development/python-modules/skia-pathops/default.nix
+++ b/pkgs/development/python-modules/skia-pathops/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , cython
 , ninja
@@ -39,5 +40,6 @@ buildPythonPackage rec {
     homepage = "https://skia.org/dev/present/pathops";
     license = lib.licenses.bsd3;
     maintainers = [ lib.maintainers.BarinovMaxim ];
+    broken = stdenv.isDarwin && stdenv.isAarch64; # clang-11: error: the clang compiler does not support '-march=armv7-a'
   };
 }