diff --git a/WebCore/platform/graphics/gtk/FontCustomPlatformDataPango.cpp b/WebCore/platform/graphics/gtk/FontCustomPlatformDataPango.cpp
index 1eb1359..4f2f2bb 100644
--- a/WebCore/platform/graphics/gtk/FontCustomPlatformDataPango.cpp
+++ b/WebCore/platform/graphics/gtk/FontCustomPlatformDataPango.cpp
@@ -30,7 +30,7 @@ FontCustomPlatformData::~FontCustomPlatformData()
 {
 }
 
-FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic)
+FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontRenderingMode)
 {
     return FontPlatformData(m_fontFace, size, bold, italic);
 }