diff --git a/src/device/pci_bridge.c b/src/device/pci_bridge.c
index a771dc6bb..73fd3d157 100644
--- a/src/device/pci_bridge.c
+++ b/src/device/pci_bridge.c
@@ -32,16 +32,16 @@
 #include <86box/pci.h>
 
 
-#define PCI_BRIDGE_DEC_21150	0x10110022
-#define AGP_BRIDGE_ALI_M5243	0x10b95243
-#define AGP_BRIDGE_ALI_M5247	0x10b95247
-#define AGP_BRIDGE_INTEL_440LX	0x80867181
-#define AGP_BRIDGE_INTEL_440BX	0x80867191
-#define AGP_BRIDGE_INTEL_440GX	0x808671a1
-#define AGP_BRIDGE_VIA_597	0x11068597
-#define AGP_BRIDGE_VIA_598	0x11068598
-#define AGP_BRIDGE_VIA_691	0x11068691
-#define AGP_BRIDGE_VIA_8601	0x11068601
+#define PCI_BRIDGE_DEC_21150    0x10110022
+#define AGP_BRIDGE_ALI_M5243    0x10b95243
+#define AGP_BRIDGE_ALI_M5247    0x10b95247
+#define AGP_BRIDGE_INTEL_440LX  0x80867181
+#define AGP_BRIDGE_INTEL_440BX  0x80867191
+#define AGP_BRIDGE_INTEL_440GX  0x808671a1
+#define AGP_BRIDGE_VIA_597      0x11068597
+#define AGP_BRIDGE_VIA_598      0x11068598
+#define AGP_BRIDGE_VIA_691      0x11068691
+#define AGP_BRIDGE_VIA_8601     0x11068601
 
 #define AGP_BRIDGE_ALI(x)	(((x) >> 16) == 0x10b9)
 #define AGP_BRIDGE_INTEL(x)	(((x) >> 16) == 0x8086)
diff --git a/src/include/86box/acpi.h b/src/include/86box/acpi.h
index d12b45507..94b2cd0fe 100644
--- a/src/include/86box/acpi.h
+++ b/src/include/86box/acpi.h
@@ -49,12 +49,12 @@ extern "C" {
 #define ACPI_ENABLE	0xf1
 #define	ACPI_DISABLE	0xf0
 
-#define VEN_ALI		0x010b9
-#define VEN_INTEL	0x08086
-#define VEN_SIS		0x01039
-#define VEN_SMC		0x01055
-#define VEN_VIA		0x01106
-#define VEN_VIA_596B	0x11106
+#define VEN_ALI         0x010b9
+#define VEN_INTEL       0x08086
+#define VEN_SIS         0x01039
+#define VEN_SMC         0x01055
+#define VEN_VIA         0x01106
+#define VEN_VIA_596B    0x11106
 
 
 typedef struct