diff --git a/compass/config.py b/compass/config.py
index 7cef6c4ca2..d5a9c7fcb4 100644
--- a/compass/config.py
+++ b/compass/config.py
@@ -1,4 +1,5 @@
 import os
+
 from mpas_tools.config import MpasConfigParser
 
 
@@ -14,8 +15,17 @@ class CompassConfigParser(MpasConfigParser):
     certain paths are absolute, rather than relative.
     """
 
-    def combine(self):
-        super().combine()
+    def combine(self, raw=False):
+        """
+        Combine the config files into one
+
+        Parameters
+        ----------
+        raw : bool, optional
+            Whether to combine config "raw" config options, rather than using
+            extended interpolation
+        """
+        super().combine(raw=raw)
         self._ensure_absolute_paths()
 
     def _ensure_absolute_paths(self):