diff --git a/internal/gocore/type.go b/internal/gocore/type.go
index 1d052a2..23f9249 100644
--- a/internal/gocore/type.go
+++ b/internal/gocore/type.go
@@ -193,6 +193,9 @@ func (p *Process) findItab() runtimeItab {
 
 // Type is the field representing either abi.ITab.Type or runtime.itab._type.
 func (r runtimeItab) Type() *Field {
+	if r.typ == nil {
+		return nil
+	}
 	return r.typ.field("Type")
 }
 
@@ -642,6 +645,9 @@ func (p *Process) typeObject(a core.Address, t *Type, r reader, add func(core.Ad
 			return
 		}
 		if t.Kind == KindIface {
+			if p.findItab().Type() == nil {
+				return
+			}
 			typPtr = p.proc.ReadPtr(typPtr.Add(p.findItab().Type().Off))
 		}
 		// TODO: for KindEface, type typPtr. It might point to the heap