diff --git a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c
index 5a603a5e9aa8..0d74b46d177f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c
@@ -858,7 +858,7 @@ static void i40e_write_dword(u8 *hmc_bits,
 	if (ce_info->width < 32)
 		mask = ((u32)1 << ce_info->width) - 1;
 	else
-		mask = -1;
+		mask = 0xFFFFFFFF;
 
 	/* don't swizzle the bits until after the mask because the mask bits
 	 * will be in a different bit position on big endian machines
@@ -910,7 +910,7 @@ static void i40e_write_qword(u8 *hmc_bits,
 	if (ce_info->width < 64)
 		mask = ((u64)1 << ce_info->width) - 1;
 	else
-		mask = -1;
+		mask = 0xFFFFFFFFFFFFFFFF;
 
 	/* don't swizzle the bits until after the mask because the mask bits
 	 * will be in a different bit position on big endian machines