diff --git a/src/include/86box/vid_cga_comp.h b/src/include/86box/vid_cga_comp.h
index 291145291..609e6d813 100644
--- a/src/include/86box/vid_cga_comp.h
+++ b/src/include/86box/vid_cga_comp.h
@@ -26,6 +26,6 @@
 
 void    update_cga16_color(uint8_t cgamode);
 void    cga_comp_init(int revision);
-Bit32u *Composite_Process(uint8_t cgamode, uint8_t border, uint32_t blocks /*, bool doublewidth*/, uint32_t *TempLine);
+uint32_t *Composite_Process(uint8_t cgamode, uint8_t border, uint32_t blocks /*, bool doublewidth*/, uint32_t *TempLine);
 
 #endif /*VIDEO_CGA_COMP_H*/