diff --git a/plugins/vst/SfizzVstController.cpp b/plugins/vst/SfizzVstController.cpp
index 4cd7abfc..7e17b1d9 100644
--- a/plugins/vst/SfizzVstController.cpp
+++ b/plugins/vst/SfizzVstController.cpp
@@ -15,7 +15,7 @@
 
 tresult PLUGIN_API SfizzVstControllerNoUi::initialize(FUnknown* context)
 {
-    tresult result = EditController::initialize(context);
+    tresult result = EditControllerEx1::initialize(context);
     if (result != kResultTrue)
         return result;
 
@@ -135,7 +135,7 @@ tresult PLUGIN_API SfizzVstControllerNoUi::initialize(FUnknown* context)
 
 tresult PLUGIN_API SfizzVstControllerNoUi::terminate()
 {
-    return EditController::terminate();
+    return EditControllerEx1::terminate();
 }
 
 tresult PLUGIN_API SfizzVstControllerNoUi::getMidiControllerAssignment(int32 busIndex, int16 channel, Vst::CtrlNumber midiControllerNumber, Vst::ParamID& id)
@@ -166,7 +166,7 @@ tresult PLUGIN_API SfizzVstControllerNoUi::getParamStringByValue(Vst::ParamID ta
         }
     }
 
-    return EditController::getParamStringByValue(tag, valueNormalized, string);
+    return EditControllerEx1::getParamStringByValue(tag, valueNormalized, string);
 }
 
 tresult PLUGIN_API SfizzVstControllerNoUi::getParamValueByString(Vst::ParamID tag, Vst::TChar* string, Vst::ParamValue& valueNormalized)
@@ -184,7 +184,7 @@ tresult PLUGIN_API SfizzVstControllerNoUi::getParamValueByString(Vst::ParamID ta
         }
     }
 
-    return EditController::getParamValueByString(tag, string, valueNormalized);
+    return EditControllerEx1::getParamValueByString(tag, string, valueNormalized);
 }
 
 tresult SfizzVstControllerNoUi::setParam(Vst::ParamID tag, float value)
@@ -229,7 +229,7 @@ tresult SfizzVstControllerNoUi::notify(Vst::IMessage* message)
 {
     // Note: is expected to be called from the controller thread only
 
-    tresult result = EditController::notify(message);
+    tresult result = EditControllerEx1::notify(message);
     if (result != kResultFalse)
         return result;
 
diff --git a/plugins/vst/SfizzVstController.h b/plugins/vst/SfizzVstController.h
index 153bcd85..f976d7e9 100644
--- a/plugins/vst/SfizzVstController.h
+++ b/plugins/vst/SfizzVstController.h
@@ -20,7 +20,7 @@ class SfizzVstEditor;
 using namespace Steinberg;
 using namespace VSTGUI;
 
-class SfizzVstControllerNoUi : public Vst::EditController,
+class SfizzVstControllerNoUi : public Vst::EditControllerEx1,
                                public Vst::IMidiMapping {
 public:
     virtual ~SfizzVstControllerNoUi() {}
@@ -38,11 +38,11 @@ public:
     tresult PLUGIN_API notify(Vst::IMessage* message) override;
 
     // interfaces
-    OBJ_METHODS(SfizzVstControllerNoUi, Vst::EditController)
+    OBJ_METHODS(SfizzVstControllerNoUi, Vst::EditControllerEx1)
     DEFINE_INTERFACES
     DEF_INTERFACE(Vst::IMidiMapping)
-    END_DEFINE_INTERFACES(Vst::EditController)
-    REFCOUNT_METHODS(Vst::EditController)
+    END_DEFINE_INTERFACES(Vst::EditControllerEx1)
+    REFCOUNT_METHODS(Vst::EditControllerEx1)
 
 protected:
     std::unique_ptr<Vst::ThreadChecker> threadChecker_;