diff --git a/pcsx2/GS/GS.cpp b/pcsx2/GS/GS.cpp
index 1d3413a20c..dbdb4331ec 100644
--- a/pcsx2/GS/GS.cpp
+++ b/pcsx2/GS/GS.cpp
@@ -1446,7 +1446,7 @@ void GSApp::Init()
 	m_default_configuration["DumpPaletteTextures"]                        = "1";
 	m_default_configuration["extrathreads"]                               = "2";
 	m_default_configuration["extrathreads_height"]                        = "4";
-	m_default_configuration["filter"]                                     = std::to_string(static_cast<s8>(BiFiltering::PS2));
+	m_default_configuration["filter"]                                     = std::to_string(static_cast<u8>(BiFiltering::PS2));
 	m_default_configuration["FullscreenMode"]                             = "";
 	m_default_configuration["fxaa"]                                       = "0";
 	m_default_configuration["HWDownloadMode"]                             = std::to_string(static_cast<u8>(GSHardwareDownloadMode::Enabled));