diff --git a/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp b/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
index c078b4ba02..0c07e2bf5d 100644
--- a/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp
@@ -1343,7 +1343,7 @@ namespace AAXClasses
                     return foundValid;
 
                 for (int i = 2; i < numInputBuses; ++i)
-                    if (currentLayout.outputBuses.getReference (i) != AudioChannelSet::disabled())
+                    if (! currentLayout.inputBuses.getReference (i).isDisabled())
                         return foundValid;
             }