diff --git a/components/rgbgraphics/rgbroutines.pas b/components/rgbgraphics/rgbroutines.pas
index 42a810603..4f4cd3f40 100644
--- a/components/rgbgraphics/rgbroutines.pas
+++ b/components/rgbgraphics/rgbroutines.pas
@@ -42,6 +42,9 @@ uses
 {$IFDEF LCLqt}
   RGBQtRoutines,
 {$ENDIF}
+{$IFDEF LCLqt5}
+  RGBQt5Routines,
+{$ENDIF}
 {$IFDEF LCLgtk}
   {$DEFINE StretchRGB32}
   RGBGTKRoutines,
diff --git a/components/rgbgraphics/rgbtypes.pas b/components/rgbgraphics/rgbtypes.pas
index 082991367..532dcbcf2 100644
--- a/components/rgbgraphics/rgbtypes.pas
+++ b/components/rgbgraphics/rgbtypes.pas
@@ -36,6 +36,9 @@ unit RGBTypes;
 {$ifdef LCLqt}
  {$define RGB}
 {$endif}
+{$ifdef LCLqt5}
+ {$define RGB}
+{$endif}
 
 interface