diff --git a/modules/juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp b/modules/juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp
index 65500f29f0..5eb8129201 100644
--- a/modules/juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp
+++ b/modules/juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp
@@ -161,7 +161,7 @@ public:
     String getParamID (AudioProcessor& processor, int idx) const noexcept
     {
         if (usingManagedParameters && ! legacyParamIDs)
-            processor.getParameterID (idx);
+            return processor.getParameterID (idx);
 
         return String (idx);
     }