diff --git a/var/spack/repos/builtin/packages/py-netcdf4/package.py b/var/spack/repos/builtin/packages/py-netcdf4/package.py
index e36ed870ea0..5b2be09a600 100644
--- a/var/spack/repos/builtin/packages/py-netcdf4/package.py
+++ b/var/spack/repos/builtin/packages/py-netcdf4/package.py
@@ -59,7 +59,7 @@ class PyNetcdf4(PythonPackage):
 
     def flag_handler(self, name, flags):
         if name == "cflags":
-            if self.spec.satisfies("%oneapi"):
+            if self.spec.satisfies("%oneapi") or self.spec.satisfies("%apple-clang@15:"):
                 flags.append("-Wno-error=int-conversion")
 
         return flags, None, None
diff --git a/var/spack/repos/builtin/packages/py-ruamel-yaml-clib/package.py b/var/spack/repos/builtin/packages/py-ruamel-yaml-clib/package.py
index 09894811579..82bbd8db2e9 100644
--- a/var/spack/repos/builtin/packages/py-ruamel-yaml-clib/package.py
+++ b/var/spack/repos/builtin/packages/py-ruamel-yaml-clib/package.py
@@ -28,6 +28,6 @@ class PyRuamelYamlClib(PythonPackage):
 
     def flag_handler(self, name, flags):
         if name == "cflags":
-            if self.spec.satisfies("%oneapi"):
+            if self.spec.satisfies("%oneapi") or self.spec.satisfies(" %apple-clang@15:"):
                 flags.append("-Wno-error=incompatible-function-pointer-types")
         return (flags, None, None)