diff --git a/var/spack/repos/builtin/packages/sos/package.py b/var/spack/repos/builtin/packages/sos/package.py
index a8f883a3829..9663da0528d 100644
--- a/var/spack/repos/builtin/packages/sos/package.py
+++ b/var/spack/repos/builtin/packages/sos/package.py
@@ -54,6 +54,6 @@ def configure_args(self):
         args.extend(self.with_or_without('xpmem'))
         args.extend(self.with_or_without('ofi'))
         # This option is not compatiable with remote atomics
-        args.extend(self.with_or_without('shr-atomics'))
+        args.extend(self.enable_or_disable('shr-atomics'))
         args.append('--enable-pmi-simple')
         return args