diff --git a/lib/spack/spack/modules/common.py b/lib/spack/spack/modules/common.py
index c770564eddd..42890e4fe40 100644
--- a/lib/spack/spack/modules/common.py
+++ b/lib/spack/spack/modules/common.py
@@ -527,9 +527,7 @@ def use_name(self):
         parts = name.split("/")
         name = os.path.join(*parts)
         # Add optional suffixes based on constraints
-        path_elements = [name]
-        path_elements.extend(map(self.spec.format, self.conf.suffixes))
-        return "-".join(path_elements)
+        return "-".join([name, *map(self.spec.format_path, self.conf.suffixes)])
 
     @property
     def filename(self):