diff --git a/dist/index.es.js b/dist/index.es.js
index 13342d5..c185eba 100644
--- a/dist/index.es.js
+++ b/dist/index.es.js
@@ -151,7 +151,7 @@ function handleStateAdd(normalized, list) {
     return newList;
 }
 function getMode(evt) {
-    if (evt.oldIndicies.length > 0)
+    if (evt.oldIndicies && evt.oldIndicies.length > 0)
         return "multidrag";
     if (evt.swapItem)
         return "swap";
diff --git a/dist/index.js b/dist/index.js
index d6b6d4d..40701dd 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -157,7 +157,7 @@ function handleStateAdd(normalized, list) {
     return newList;
 }
 function getMode(evt) {
-    if (evt.oldIndicies.length > 0)
+    if (evt.oldIndicies && evt.oldIndicies.length > 0)
         return "multidrag";
     if (evt.swapItem)
         return "swap";
diff --git a/src/util.ts b/src/util.ts
index d317276..2368e1b 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -124,7 +124,7 @@ export function handleStateAdd<T extends ItemInterface>(
 }
 
 export function getMode(evt: MultiDragEvent) {
-  if (evt.oldIndicies.length > 0) return "multidrag";
+  if (evt.oldIndicies && evt.oldIndicies.length > 0) return "multidrag";
   if (evt.swapItem) return "swap";
   return "normal";
 }