diff --git a/core/src/processing/data/StringList.java b/core/src/processing/data/StringList.java
index a647a9191..215bc7adb 100644
--- a/core/src/processing/data/StringList.java
+++ b/core/src/processing/data/StringList.java
@@ -657,6 +657,7 @@ public class StringList implements Iterable<String> {
 
       public void remove() {
         StringList.this.remove(index);
+        index--;
       }
 
       public String next() {
@@ -768,4 +769,4 @@ public class StringList implements Iterable<String> {
     sb.append(" ]");
     return sb.toString();
   }
-}
\ No newline at end of file
+}