diff --git a/var/spack/repos/builtin/packages/omega-h/package.py b/var/spack/repos/builtin/packages/omega-h/package.py
index 89d92237507d66c87fa6a76aeeec151fdbc7dd47..5eb7f47546bca179adc2ac8b071991f097ead1c9 100644
--- a/var/spack/repos/builtin/packages/omega-h/package.py
+++ b/var/spack/repos/builtin/packages/omega-h/package.py
@@ -65,3 +65,9 @@ def cmake_args(self):
         else:
             args.append('-DTPL_ENABLE_ZLIB:BOOL=OFF')
         return args
+
+    def flag_handler(self, name, flags):
+        flags = list(flags)
+        if name == 'cxxflags':
+            flags.append(self.compiler.cxx11_flag)
+        return (None, None, flags)