diff --git a/Core/FamilyBasicDataRecorder.h b/Core/FamilyBasicDataRecorder.h
index 509a8033..23d17863 100644
--- a/Core/FamilyBasicDataRecorder.h
+++ b/Core/FamilyBasicDataRecorder.h
@@ -30,11 +30,19 @@ protected:
 		}
 	}
 
-	bool IsRawString()
+	bool IsRawString() override
 	{
 		return true;
 	}
 
+	void InternalSetStateFromInput() override
+	{
+		if(_fileData.size() > 0) {
+			SetTextState(Base64::Encode(_fileData));
+			_fileData.clear();
+		}
+	}	
+
 public:
 	FamilyBasicDataRecorder() : BaseControlDevice(BaseControlDevice::ExpDevicePort2)
 	{
@@ -47,15 +55,7 @@ public:
 		}
 	}
 
-	void InternalSetStateFromInput()
-	{
-		if(_fileData.size() > 0) {
-			SetTextState(Base64::Encode(_fileData));
-			_fileData.clear();
-		}
-	}
-
-	void OnAfterSetState()
+	void OnAfterSetState() override
 	{
 		if(_state.State.size() > 0) {
 			_data = Base64::Decode(GetTextState());
diff --git a/Linux/SdlRenderer.h b/Linux/SdlRenderer.h
index ee7d02f4..352f1a01 100755
--- a/Linux/SdlRenderer.h
+++ b/Linux/SdlRenderer.h
@@ -52,18 +52,18 @@ private:
 
 	void DrawPauseScreen();
 
-	float MeasureString(std::wstring text);
-	bool ContainsCharacter(wchar_t character);
+	float MeasureString(std::wstring text) override;
+	bool ContainsCharacter(wchar_t character) override;
 
 public:
 	SdlRenderer(void* windowHandle);
 	virtual ~SdlRenderer();
 
-	void UpdateFrame(void *frameBuffer, uint32_t width, uint32_t height);
-	void Render();
-	void Reset();
+	void UpdateFrame(void *frameBuffer, uint32_t width, uint32_t height) override;
+	void Render() override;
+	void Reset() override;
 
-	void DrawString(std::wstring message, int x, int y, uint8_t r = 255, uint8_t g = 255, uint8_t b = 255, uint8_t opacity = 255);
+	void DrawString(std::wstring message, int x, int y, uint8_t r = 255, uint8_t g = 255, uint8_t b = 255, uint8_t opacity = 255) override;
 	
 	void SetFullscreenMode(bool fullscreen, void* windowHandle, uint32_t monitorWidth, uint32_t monitorHeight) override;
 };
\ No newline at end of file