diff --git a/drivers/staging/fbtft/fb_hx8340bn.c b/drivers/staging/fbtft/fb_hx8340bn.c
index ff3be12..e1ed177 100644
--- a/drivers/staging/fbtft/fb_hx8340bn.c
+++ b/drivers/staging/fbtft/fb_hx8340bn.c
@@ -139,7 +139,7 @@
     OP0 OP1 CP0 CP1 CP2 CP3 CP4 MP0 MP1 MP2 MP3 MP4 MP5 CGM0 CGM1
     ON0 ON1 CN0 CN1 CN2 CN3 CN4 MN0 MN1 MN2 MN3 MN4 MN5 XXXX  GC
 */
-#define CURVE(num, idx)  curves[num*par->gamma.num_values + idx]
+#define CURVE(num, idx)  curves[num * par->gamma.num_values + idx]
 static int set_gamma(struct fbtft_par *par, unsigned long *curves)
 {
 	unsigned long mask[] = {