1 files changed, 8 insertions, 6 deletions
diff --git a/src/passes/Print.cpp b/src/passes/Print.cpp
index 4bcc042a1..0d74d43f1 100644
--- a/src/passes/Print.cpp
+++ b/src/passes/Print.cpp
@@ -2172,9 +2172,10 @@ struct PrintExpressionContents
         printMedium(o, "br_on_cast ");
         printName(curr->name, o);
         o << ' ';
-        printType(o, curr->ref->type, wasm);
-        o << ' ';
-        printType(o, curr->castType, wasm);
+        if (curr->castType.isNullable()) {
+          printMedium(o, "null ");
+        }
+        printHeapType(o, curr->castType.getHeapType(), wasm);
         return;
       case BrOnCastFail:
         // TODO: These instructions are deprecated, so stop emitting them.
@@ -2196,9 +2197,10 @@ struct PrintExpressionContents
         printMedium(o, "br_on_cast_fail ");
         printName(curr->name, o);
         o << ' ';
-        printType(o, curr->ref->type, wasm);
-        o << ' ';
-        printType(o, curr->castType, wasm);
+        if (curr->castType.isNullable()) {
+          printMedium(o, "null ");
+        }
+        printHeapType(o, curr->castType.getHeapType(), wasm);
         return;
     }
     WASM_UNREACHABLE("Unexpected br_on* op");