diff --git a/modules/juce_core/javascript/juce_Javascript.cpp b/modules/juce_core/javascript/juce_Javascript.cpp
index 9229217264..f5c06e42f5 100644
--- a/modules/juce_core/javascript/juce_Javascript.cpp
+++ b/modules/juce_core/javascript/juce_Javascript.cpp
@@ -1071,8 +1071,9 @@ struct JavascriptEngine::RootObject   : public DynamicObject
 
             while (currentType != TokenTypes::closeParen)
             {
-                fo.parameters.add (currentValue.toString());
+                auto paramName = currentValue.toString();
                 match (TokenTypes::identifier);
+                fo.parameters.add (paramName);
 
                 if (currentType != TokenTypes::closeParen)
                     match (TokenTypes::comma);