1 files changed, 1 insertions, 1 deletions
diff --git a/source/slang/mangle.h b/source/slang/mangle.h
index 6eea96a19..286e2c2c3 100644
--- a/source/slang/mangle.h
+++ b/source/slang/mangle.h
@@ -7,7 +7,7 @@
 
 namespace Slang
 {
-    struct Decl;
+    class Decl;
 
     String getMangledName(Decl* decl);
 }