diff --git a/drivers/staging/most/hdm-dim2/dim2_reg.h b/drivers/staging/most/hdm-dim2/dim2_reg.h
index 0795aae05f1c..bcf6a79f6744 100644
--- a/drivers/staging/most/hdm-dim2/dim2_reg.h
+++ b/drivers/staging/most/hdm-dim2/dim2_reg.h
@@ -66,7 +66,7 @@ struct dim2_regs {
 	/* 0xF7 */ u32 ACMR1;
 };
 
-#define DIM2_MASK(n)  (~((~(u32)0)<<(n)))
+#define DIM2_MASK(n)  (~((~(u32)0) << (n)))
 
 enum {
 	MLBC0_MLBLK_BIT = 7,