diff --git a/src/Kook.Net.Core/Entities/Messages/Cards/Modules/ModuleBuilder.cs b/src/Kook.Net.Core/Entities/Messages/Cards/Modules/ModuleBuilder.cs
index 41a8ba65..bc549697 100644
--- a/src/Kook.Net.Core/Entities/Messages/Cards/Modules/ModuleBuilder.cs
+++ b/src/Kook.Net.Core/Entities/Messages/Cards/Modules/ModuleBuilder.cs
@@ -369,12 +369,12 @@ public SectionModuleBuilder WithMode(SectionAccessoryMode mode)
     ///     A <see cref="SectionModule"/> representing the built section module object.
     /// </returns>
     /// <exception cref="InvalidOperationException">
-    ///     The <see cref="ButtonElement"/> was positioned to the left of the <see cref="Text"/>,
+    ///     The <see cref="ButtonElement"/> was not positioned to the right of the <see cref="Text"/>,
     ///     which is not allowed.
     /// </exception>
     public SectionModule Build()
     {
-        if (Mode == SectionAccessoryMode.Left && Accessory is ButtonElementBuilder)
+        if (Mode != SectionAccessoryMode.Right && Accessory is ButtonElementBuilder)
             throw new InvalidOperationException("Button must be placed on the right");
 
         return new SectionModule(Mode, Text?.Build(), Accessory?.Build());