diff --git a/src/lib/ecore_drm2/Ecore_Drm2.h b/src/lib/ecore_drm2/Ecore_Drm2.h
index 6f074fc5ec..843cfa6a2d 100644
--- a/src/lib/ecore_drm2/Ecore_Drm2.h
+++ b/src/lib/ecore_drm2/Ecore_Drm2.h
@@ -1194,7 +1194,7 @@ EAPI Eina_Bool ecore_drm2_output_pending_get(Ecore_Drm2_Output *output);
  *
  * @since 1.23
  */
-EAPI Eina_Bool ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, int r, int g, int b, int a);
+EAPI Eina_Bool ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, uint64_t r, uint64_t g, uint64_t b, uint64_t a);
 
 # endif
 
diff --git a/src/lib/ecore_drm2/ecore_drm2_outputs.c b/src/lib/ecore_drm2/ecore_drm2_outputs.c
index a433d54358..dfb2fa93d1 100644
--- a/src/lib/ecore_drm2/ecore_drm2_outputs.c
+++ b/src/lib/ecore_drm2/ecore_drm2_outputs.c
@@ -1748,7 +1748,7 @@ ecore_drm2_output_relative_to_get(Ecore_Drm2_Output *output)
 }
 
 EAPI Eina_Bool
-ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, int r, int g, int b, int a)
+ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, uint64_t r, uint64_t g, uint64_t b, uint64_t a)
 {
    Ecore_Drm2_Crtc_State *cstate;