diff --git a/bukkit/src/main/java/com/griefdefender/permission/option/GDOption.java b/bukkit/src/main/java/com/griefdefender/permission/option/GDOption.java
index 162033f..e4b7d09 100644
--- a/bukkit/src/main/java/com/griefdefender/permission/option/GDOption.java
+++ b/bukkit/src/main/java/com/griefdefender/permission/option/GDOption.java
@@ -193,6 +193,8 @@ public class GDOption<T> implements Option<T> {
     public boolean validateStringValue(String value, boolean log) {
         if (value.equalsIgnoreCase("undefined")) {
             return false;
+        } else if (this.allowed == String.class) {
+            return true;
         } else if (this.allowed == List.class) {
             return true;
         } else if (this.allowed == Integer.class) {
diff --git a/sponge/src/main/java/com/griefdefender/permission/option/GDOption.java b/sponge/src/main/java/com/griefdefender/permission/option/GDOption.java
index f144e72..00cad7c 100644
--- a/sponge/src/main/java/com/griefdefender/permission/option/GDOption.java
+++ b/sponge/src/main/java/com/griefdefender/permission/option/GDOption.java
@@ -193,6 +193,8 @@ public class GDOption<T> implements Option<T> {
     public boolean validateStringValue(String value, boolean log) {
         if (value.equalsIgnoreCase("undefined")) {
             return false;
+        } else if (this.allowed == String.class) {
+            return true;
         } else if (this.allowed == List.class) {
             return true;
         } else if (this.allowed == Integer.class) {