diff --git a/internal/testutil/testutil.go b/internal/testutil/testutil.go
index 11df015..0e3cf62 100644
--- a/internal/testutil/testutil.go
+++ b/internal/testutil/testutil.go
@@ -125,6 +125,10 @@ func (this *describer) describe(value reflect.Value) {
 		return
 	}
 	value = reflect.ValueOf(value.Interface())
+	if !value.IsValid() {
+		this.printf("<invalid>")
+		return
+	}
 	switch value.Kind() {
 	case reflect.Array, reflect.Slice:
 		this.printf("[\n")
@@ -155,7 +159,7 @@ func (this *describer) describe(value reflect.Value) {
 			this.iprintf("\n")
 		}
 		this.indent -= 1
-		this.iprintf("}\n")
+		this.iprintf("}")
 	case reflect.Map:
 		this.printf("map {\n")
 		this.indent += 1
@@ -168,7 +172,7 @@ func (this *describer) describe(value reflect.Value) {
 			this.iprintf("\n")
 		}
 		this.indent -= 1
-		this.iprintf("}\n")
+		this.iprintf("}")
 	case reflect.Pointer:
 		this.printf("& ")
 		this.describe(value.Elem())