diff --git a/source/native-plugins/_data.all.cpp b/source/native-plugins/_data.all.cpp
index ecbf9fac6..afa6221c0 100644
--- a/source/native-plugins/_data.all.cpp
+++ b/source/native-plugins/_data.all.cpp
@@ -155,7 +155,7 @@ static const NativePluginDescriptor sNativePluginDescriptors[] = {
     /* audioOuts */ 0,
     /* midiIns   */ 1,
     /* midiOuts  */ 1,
-    /* paramIns  */ 1,
+    /* paramIns  */ 2,
     /* paramOuts */ 0,
     /* name      */ "MIDI Transpose",
     /* label     */ "miditranspose",