1 files changed, 1 insertions, 1 deletions
diff --git a/src/sp-filter.h b/src/sp-filter.h
index a3e7cd35c..5afe47438 100644
--- a/src/sp-filter.h
+++ b/src/sp-filter.h
@@ -36,7 +36,7 @@ class Filter;
 } }
 
 class SPFilterReference;
-class SPFilterPrimitive;
+struct SPFilterPrimitive;
 
 struct ltstr {
     bool operator()(const char* s1, const char* s2) const;