diff --git a/js/src/jit/JitFrames.cpp b/js/src/jit/JitFrames.cpp
index c343800e0d..7ee9b24eab 100644
--- a/js/src/jit/JitFrames.cpp
+++ b/js/src/jit/JitFrames.cpp
@@ -1776,6 +1776,12 @@ FromSymbolPayload(uintptr_t payload)
     return SymbolValue(reinterpret_cast<JS::Symbol*>(payload));
 }
 
+static Value
+FromBigIntPayload(uintptr_t payload)
+{
+    return BigIntValue(reinterpret_cast<JS::BigInt*>(payload));
+}
+
 static Value
 FromTypedPayload(JSValueType type, uintptr_t payload)
 {
@@ -1788,6 +1794,8 @@ FromTypedPayload(JSValueType type, uintptr_t payload)
         return FromStringPayload(payload);
       case JSVAL_TYPE_SYMBOL:
         return FromSymbolPayload(payload);
+      case JSVAL_TYPE_BIGINT:
+        return FromBigIntPayload(payload);
       case JSVAL_TYPE_OBJECT:
         return FromObjectPayload(payload);
       default:
@@ -1887,6 +1895,8 @@ SnapshotIterator::allocationValue(const RValueAllocation& alloc, ReadMethod rm)
             return FromStringPayload(fromStack(alloc.stackOffset2()));
           case JSVAL_TYPE_SYMBOL:
             return FromSymbolPayload(fromStack(alloc.stackOffset2()));
+          case JSVAL_TYPE_BIGINT:
+            return FromBigIntPayload(fromStack(alloc.stackOffset2()));
           case JSVAL_TYPE_OBJECT:
             return FromObjectPayload(fromStack(alloc.stackOffset2()));
           default: