diff --git a/src/ca-config.cpp b/src/ca-config.cpp
index b8b0d59..3165b2d 100644
--- a/src/ca-config.cpp
+++ b/src/ca-config.cpp
@@ -66,7 +66,7 @@
   std::list<std::string> result;
   auto it = section.begin();
   for (; it != section.end(); it++) {
-    result.push_back(it->second.get<std::string>("type"));
+    result.push_back(boost::algorithm::to_lower_copy(it->second.get<std::string>("type")));
   }
   return result;
 }