diff --git a/core/fxge/android/cfx_androidfontinfo.cpp b/core/fxge/android/cfx_androidfontinfo.cpp
index 13ef554..5be6e1b 100644
--- a/core/fxge/android/cfx_androidfontinfo.cpp
+++ b/core/fxge/android/cfx_androidfontinfo.cpp
@@ -55,9 +55,9 @@
   return nullptr;
 }
 
-uint32_t CFX_AndroidFontInfo::GetFontData(void* hFont,
-                                          uint32_t table,
-                                          pdfium::span<uint8_t> buffer) {
+size_t CFX_AndroidFontInfo::GetFontData(void* hFont,
+                                        uint32_t table,
+                                        pdfium::span<uint8_t> buffer) {
   if (!hFont)
     return 0;
   return static_cast<CFPF_SkiaFont*>(hFont)->GetFontData(table, buffer);
diff --git a/core/fxge/android/cfx_androidfontinfo.h b/core/fxge/android/cfx_androidfontinfo.h
index d1fcfb3..da96a5e 100644
--- a/core/fxge/android/cfx_androidfontinfo.h
+++ b/core/fxge/android/cfx_androidfontinfo.h
@@ -31,9 +31,9 @@
                 int pitch_family,
                 const ByteString& face) override;
   void* GetFont(const ByteString& face) override;
-  uint32_t GetFontData(void* hFont,
-                       uint32_t table,
-                       pdfium::span<uint8_t> buffer) override;
+  size_t GetFontData(void* hFont,
+                     uint32_t table,
+                     pdfium::span<uint8_t> buffer) override;
   bool GetFaceName(void* hFont, ByteString* name) override;
   bool GetFontCharset(void* hFont, FX_Charset* charset) override;
   void DeleteFont(void* hFont) override;