diff --git a/modules/juce_gui_extra/native/juce_WebBrowserComponent_linux.cpp b/modules/juce_gui_extra/native/juce_WebBrowserComponent_linux.cpp
index 0ea1c1e4dd..d9b495e042 100644
--- a/modules/juce_gui_extra/native/juce_WebBrowserComponent_linux.cpp
+++ b/modules/juce_gui_extra/native/juce_WebBrowserComponent_linux.cpp
@@ -1308,12 +1308,18 @@ public:
     {
         const auto params = FromVar::convert<EvaluateJavascriptCallbackParams> (paramsIn);
 
-        if (! params.has_value() || evaluationCallbacks.size() == 0)
+        if (! params.has_value())
         {
             jassertfalse;
             return;
         }
 
+        // do nothing if there are no evaluation callbacks
+        if (evaluationCallbacks.empty()) 
+        {
+            return;
+        }
+
         const auto result = [&]
         {
             using Error = EvaluationResult::Error;