diff --git a/src/southbridge/intel/lynxpoint/azalia.c b/src/southbridge/intel/lynxpoint/azalia.c
index cf360ff..68958f0 100644
--- a/src/southbridge/intel/lynxpoint/azalia.c
+++ b/src/southbridge/intel/lynxpoint/azalia.c
@@ -33,7 +33,7 @@
 	u16 reg16;
 	u32 reg32;
 
-	if (RCBA32(0x2030) & (1UL << 31)) {
+	if (RCBA32(0x2030) & (1 << 31)) {
 		reg32 = pci_read_config32(dev, 0x120);
 		reg32 &= 0xf8ffff01;
 		reg32 |= (1 << 25);
@@ -54,9 +54,9 @@
 	if (pci_read_config32(dev, 0x120) & ((1 << 24) | (1 << 25) | (1 << 26))) {
 		reg32 = pci_read_config32(dev, 0x120);
 		if (pch_is_lp())
-			reg32 &= ~(1UL << 31);
+			reg32 &= ~(1 << 31);
 		else
-			reg32 |= (1UL << 31);
+			reg32 |= (1 << 31);
 		pci_write_config32(dev, 0x120, reg32);
 	}
 
@@ -79,7 +79,7 @@
 	pci_write_config32(dev, 0xc4, reg32);
 
 	if (!pch_is_lp())
-		pci_and_config32(dev, 0xd0, ~(1UL << 31));
+		pci_and_config32(dev, 0xd0, ~(1 << 31));
 
 	// Select Azalia mode
 	pci_or_config8(dev, 0x40, 1); // Audio Control