1 files changed, 4 insertions, 0 deletions
diff --git a/src/shell-interface.h b/src/shell-interface.h
index f1b68ab60..03b190626 100644
--- a/src/shell-interface.h
+++ b/src/shell-interface.h
@@ -150,6 +150,7 @@ struct ShellExternalInterface : ModuleInstance::ExternalInterface {
   }
 
   Literal callTable(Index index,
+                    Signature sig,
                     LiteralList& arguments,
                     Type results,
                     ModuleInstance& instance) override {
@@ -160,6 +161,9 @@ struct ShellExternalInterface : ModuleInstance::ExternalInterface {
     if (!func) {
       trap("uninitialized table element");
     }
+    if (sig != func->sig) {
+      trap("callIndirect: function signatures don't match");
+    }
     const std::vector<Type>& params = func->sig.params.expand();
     if (params.size() != arguments.size()) {
       trap("callIndirect: bad # of arguments");