diff --git a/src/commands/config.ts b/src/commands/config.ts
index 1ca297a..14b8490 100644
--- a/src/commands/config.ts
+++ b/src/commands/config.ts
@@ -65,6 +65,15 @@ export const configValidators = {
   },
 
   [CONFIG_KEYS.OPENAI_MAX_TOKENS](value: any) {
+    // If the value is a string, convert it to a number.
+    if (typeof value === 'string') {
+      value = parseInt(value);
+      validateConfig(
+        CONFIG_KEYS.OPENAI_MAX_TOKENS,
+        !isNaN(value),
+        'Must be a number'
+      );
+    }
     validateConfig(
       CONFIG_KEYS.OPENAI_MAX_TOKENS,
       typeof value === 'number',
@@ -96,8 +105,8 @@ export const configValidators = {
   [CONFIG_KEYS.OPENAI_BASE_PATH](value: any) {
     validateConfig(
       CONFIG_KEYS.OPENAI_BASE_PATH,
-      typeof value == 'string',
-      `${value} is not supported yet`
+      typeof value === 'string',
+      'Must be string'
     );
     return value;
   },