1 files changed, 3 insertions, 3 deletions
diff --git a/decoder/apply_models.h b/decoder/apply_models.h
index f03c973a..bfb37df1 100644
--- a/decoder/apply_models.h
+++ b/decoder/apply_models.h
@@ -3,9 +3,9 @@
 
 #include <iostream>
 
-struct ModelSet;
-struct Hypergraph;
-struct SentenceMetadata;
+class ModelSet;
+class Hypergraph;
+class SentenceMetadata;
 
 struct exhaustive_t {};