diff --git a/Source/JavaScriptCore/inspector/agents/InspectorDebuggerAgent.cpp b/Source/JavaScriptCore/inspector/agents/InspectorDebuggerAgent.cpp
index 71b252160ce14..3fe008d57c25d 100644
--- a/Source/JavaScriptCore/inspector/agents/InspectorDebuggerAgent.cpp
+++ b/Source/JavaScriptCore/inspector/agents/InspectorDebuggerAgent.cpp
@@ -332,6 +332,9 @@ Protocol::ErrorStringOr<void> InspectorDebuggerAgent::enable()
 
 Protocol::ErrorStringOr<void> InspectorDebuggerAgent::disable()
 {
+    if (!enabled())
+        return { };
+
     internalDisable(false);
 
     return { };