diff --git a/source/backend/plugin/CarlaPluginFluidSynth.cpp b/source/backend/plugin/CarlaPluginFluidSynth.cpp
index 6681c73ff..9a8549bad 100644
--- a/source/backend/plugin/CarlaPluginFluidSynth.cpp
+++ b/source/backend/plugin/CarlaPluginFluidSynth.cpp
@@ -873,7 +873,7 @@ public:
         pData->extraHints  = 0x0;
         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;
 
-        if (kUse16Outs)
+        if (! kUse16Outs)
             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;
 
         bufferSizeChanged(pData->engine->getBufferSize());