1 files changed, 1 insertions, 1 deletions
diff --git a/src/s2wasm.h b/src/s2wasm.h
index 51d2a0e2f..ff3c1f29f 100644
--- a/src/s2wasm.h
+++ b/src/s2wasm.h
@@ -1396,7 +1396,7 @@ public:
 
     o << ";; METADATA: { ";
     // find asmConst calls, and emit their metadata
-    struct AsmConstWalker : public PostWalker<AsmConstWalker> {
+    struct AsmConstWalker : public PostWalker<AsmConstWalker, Visitor<AsmConstWalker>> {
       S2WasmBuilder* parent;
 
       std::map<std::string, std::set<std::string>> sigsForCode;