diff --git a/xf86drmMode.h b/xf86drmMode.h
index b6849678..00ad81d1 100644
--- a/xf86drmMode.h
+++ b/xf86drmMode.h
@@ -123,13 +123,13 @@ extern "C" {
 #define DRM_MODE_DITHERING_OFF  0
 #define DRM_MODE_DITHERING_ON   1
 
-#define DRM_MODE_ENCODER_NONE   0
-#define DRM_MODE_ENCODER_DAC    1
-#define DRM_MODE_ENCODER_TMDS   2
-#define DRM_MODE_ENCODER_LVDS   3
-#define DRM_MODE_ENCODER_TVDAC  4
+#define DRM_MODE_ENCODER_NONE    0
+#define DRM_MODE_ENCODER_DAC     1
+#define DRM_MODE_ENCODER_TMDS    2
+#define DRM_MODE_ENCODER_LVDS    3
+#define DRM_MODE_ENCODER_TVDAC   4
 #define DRM_MODE_ENCODER_VIRTUAL 5
-#define DRM_MODE_ENCODER_DSI	6
+#define DRM_MODE_ENCODER_DSI     6
 
 #define DRM_MODE_SUBCONNECTOR_Automatic 0
 #define DRM_MODE_SUBCONNECTOR_Unknown   0
@@ -153,8 +153,8 @@ extern "C" {
 #define DRM_MODE_CONNECTOR_DisplayPort  10
 #define DRM_MODE_CONNECTOR_HDMIA        11
 #define DRM_MODE_CONNECTOR_HDMIB        12
-#define DRM_MODE_CONNECTOR_TV		13
-#define DRM_MODE_CONNECTOR_eDP		14
+#define DRM_MODE_CONNECTOR_TV           13
+#define DRM_MODE_CONNECTOR_eDP          14
 #define DRM_MODE_CONNECTOR_VIRTUAL      15
 #define DRM_MODE_CONNECTOR_DSI          16