diff --git a/drivers/3dfx.h b/drivers/3dfx.h
index 2649804006..99d6ef0a75 100644
--- a/drivers/3dfx.h
+++ b/drivers/3dfx.h
@@ -259,10 +259,10 @@ typedef struct voodoo_yuv_fb_t voodoo_yuv_fb;
 #define BIT(x) (1UL << (x))
 
 /* COMMAND_2D reg. values */
-#define ROP_COPY		0xcc     // src
-#define ROP_INVERT      0x55     // NOT dst
-#define ROP_XOR         0x66     // src XOR dst
-#define ROP_OR			(0xee)	/* src | dst */
+#define TDFXFB_ROP_COPY         0xcc     // src
+#define TDFXFB_ROP_INVERT       0x55     // NOT dst
+#define TDFXFB_ROP_XOR          0x66     // src XOR dst
+#define TDFXFB_ROP_OR           0xee     // src | dst
 
 #define AUTOINC_DSTX                    BIT(10)
 #define AUTOINC_DSTY                    BIT(11)