diff --git a/core/fxge/dib/fx_dib.cpp b/core/fxge/dib/fx_dib.cpp
index 315e958..918459a 100644
--- a/core/fxge/dib/fx_dib.cpp
+++ b/core/fxge/dib/fx_dib.cpp
@@ -53,7 +53,7 @@
   return {FXARGB_B(argb), FXARGB_G(argb), FXARGB_R(argb)};
 }
 
-std::pair<int, FX_COLORREF> ArgbToAlphaAndColorRef(FX_ARGB argb) {
+std::pair<uint8_t, FX_COLORREF> ArgbToAlphaAndColorRef(FX_ARGB argb) {
   return {FXARGB_A(argb), ArgbToColorRef(argb)};
 }
 
diff --git a/core/fxge/dib/fx_dib.h b/core/fxge/dib/fx_dib.h
index 363d26e..9a0f699 100644
--- a/core/fxge/dib/fx_dib.h
+++ b/core/fxge/dib/fx_dib.h
@@ -180,7 +180,7 @@
 FX_BGR_STRUCT<uint8_t> ArgbToBGRStruct(FX_ARGB argb);
 
 // Returns (a, FX_COLORREF)
-std::pair<int, FX_COLORREF> ArgbToAlphaAndColorRef(FX_ARGB argb);
+std::pair<uint8_t, FX_COLORREF> ArgbToAlphaAndColorRef(FX_ARGB argb);
 
 FX_COLORREF ArgbToColorRef(FX_ARGB argb);
 FX_ARGB AlphaAndColorRefToArgb(int a, FX_COLORREF colorref);