diff --git a/src/helpers/ui/DisplayDriver.h b/src/helpers/ui/DisplayDriver.h
index ec63c191..dcc5fe03 100644
--- a/src/helpers/ui/DisplayDriver.h
+++ b/src/helpers/ui/DisplayDriver.h
@@ -14,6 +14,7 @@ public:
   int height() const { return _h; }
 
   virtual bool isOn() = 0;
+  virtual bool isEink() { return false; } // default to non-eink, override in eink drivers
   virtual void turnOn() = 0;
   virtual void turnOff() = 0;
   virtual void clear() = 0;
diff --git a/src/helpers/ui/E213Display.h b/src/helpers/ui/E213Display.h
index 420792c8..add8f11b 100644
--- a/src/helpers/ui/E213Display.h
+++ b/src/helpers/ui/E213Display.h
@@ -26,6 +26,7 @@ public:
   }
   bool begin();
   bool isOn() override { return _isOn; }
+  bool isEink() override { return true; }
   void turnOn() override;
   void turnOff() override;
   void clear() override;
diff --git a/src/helpers/ui/E290Display.h b/src/helpers/ui/E290Display.h
index 2ca50225..88bf34ff 100644
--- a/src/helpers/ui/E290Display.h
+++ b/src/helpers/ui/E290Display.h
@@ -22,6 +22,7 @@ public:
 
   bool begin();
   bool isOn() override { return _isOn; }
+  bool isEink() override { return true; }
   void turnOn() override;
   void turnOff() override;
   void clear() override;
diff --git a/src/helpers/ui/GxEPDDisplay.h b/src/helpers/ui/GxEPDDisplay.h
index 1a04cc24..219b6076 100644
--- a/src/helpers/ui/GxEPDDisplay.h
+++ b/src/helpers/ui/GxEPDDisplay.h
@@ -46,7 +46,8 @@ public:
 
   bool begin();
 
-  bool isOn() override {return _isOn;};
+  bool isOn() override { return _isOn; }
+  bool isEink() override { return true; }
   void turnOn() override;
   void turnOff() override;
   void clear() override;