diff --git a/vp8/common/blockd.h b/vp8/common/blockd.h
index c3360e7a1e1193dbfc814e7243831d46f89f6cac..4b3d40cd6c6856745463ef5d23625725757eb7c5 100644
--- a/vp8/common/blockd.h
+++ b/vp8/common/blockd.h
@@ -264,7 +264,7 @@ typedef struct MacroBlockD
     unsigned char update_mb_segmentation_data;
 
     /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
-    unsigned char mb_segement_abs_delta;
+    unsigned char mb_segment_abs_delta;
 
     /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
     /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
diff --git a/vp8/common/loopfilter.c b/vp8/common/loopfilter.c
index 65f50acc658614583bb88b0eeaa9111a01770909..cb8b832d6605bada372ad840eaddea971081b6cc 100644
--- a/vp8/common/loopfilter.c
+++ b/vp8/common/loopfilter.c
@@ -245,7 +245,7 @@ void vp8_loop_filter_frame_init(VP8_COMMON *cm,
         if ( segfeature_active( xd, seg, SEG_LVL_ALT_LF ) )
         {
             /* Abs value */
-            if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
+            if (xd->mb_segment_abs_delta == SEGMENT_ABSDATA)
             {
                 lvl_seg = get_segdata( xd, seg, SEG_LVL_ALT_LF );
             }
@@ -754,7 +754,7 @@ void vp8_loop_filter_partial_frame
     {
         for (i = 0; i < MAX_MB_SEGMENTS; i++)
         {    /* Abs value */
-            if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
+            if (xd->mb_segment_abs_delta == SEGMENT_ABSDATA)
             {
                 lvl_seg[i] = get_segdata( xd, i, SEG_LVL_ALT_LF );
             }
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index 52ea3bc88647cead0aed701b2427a68701f4bbf0..31a82a0fdaee3b155c9501f5afb92881cf13b989 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -78,7 +78,7 @@ void mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd)
     if ( segfeature_active( xd, segment_id, SEG_LVL_ALT_Q ) )
     {
         /* Abs Value */
-        if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
+        if (xd->mb_segment_abs_delta == SEGMENT_ABSDATA)
             QIndex = get_segdata( xd, segment_id, SEG_LVL_ALT_Q );
 
         /* Delta Value */
@@ -843,7 +843,7 @@ static void init_frame(VP8D_COMP *pbi)
         // Features disabled, 0, with delta coding (Default state).
         clearall_segfeatures( xd );
 
-        xd->mb_segement_abs_delta = SEGMENT_DELTADATA;
+        xd->mb_segment_abs_delta = SEGMENT_DELTADATA;
 
         /* reset the mode ref deltasa for loop filter */
         vpx_memset(xd->ref_lf_deltas, 0, sizeof(xd->ref_lf_deltas));
@@ -1047,7 +1047,7 @@ int vp8_decode_frame(VP8D_COMP *pbi)
         {
             int data;
 
-            xd->mb_segement_abs_delta = (unsigned char)vp8_read_bit(bc);
+            xd->mb_segment_abs_delta = (unsigned char)vp8_read_bit(bc);
 
             clearall_segfeatures( xd );
 
diff --git a/vp8/encoder/bitstream.c b/vp8/encoder/bitstream.c
index ff83794c1128341b7725612edb554c2ef3308842..b8020af2235609a8a8e2032f6d58fa43ab2db69d 100644
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -2543,7 +2543,7 @@ void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size)
         {
             signed char Data;
 
-            vp8_write_bit(bc, (xd->mb_segement_abs_delta) ? 1 : 0);
+            vp8_write_bit(bc, (xd->mb_segment_abs_delta) ? 1 : 0);
 
             // For each segments id...
             for (i = 0; i < MAX_MB_SEGMENTS; i++)
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 834819125910d974d7fc103655b330150d9622f0..394b75657a54609630eddc2d13795a6e449871b4 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -454,7 +454,7 @@ static void init_seg_features(VP8_COMP *cpi)
             enable_segfeature(xd, 1, SEG_LVL_ALT_LF);
 
             // Where relevant assume segment data is delta data
-            xd->mb_segement_abs_delta = SEGMENT_DELTADATA;
+            xd->mb_segment_abs_delta = SEGMENT_DELTADATA;
 
         }
     }
@@ -484,7 +484,7 @@ static void init_seg_features(VP8_COMP *cpi)
             {
                 xd->update_mb_segmentation_map = 0;
                 xd->update_mb_segmentation_data = 1;
-                xd->mb_segement_abs_delta = SEGMENT_DELTADATA;
+                xd->mb_segment_abs_delta = SEGMENT_DELTADATA;
 
                 qi_delta = compute_qdelta( cpi, cpi->avg_q,
                                            (cpi->avg_q * 1.125) );
diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index 3b22e57b2dfa150c53d61114d12b00731a518539..7ea712f7f72f741e0007214f03951ebb7538d82f 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -1100,7 +1100,7 @@ void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)
     if ( segfeature_active( xd, segment_id, SEG_LVL_ALT_Q ) )
     {
         // Abs Value
-        if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)
+        if (xd->mb_segment_abs_delta == SEGMENT_ABSDATA)
             QIndex = get_segdata( xd, segment_id, SEG_LVL_ALT_Q );
 
         // Delta Value
diff --git a/vp8/encoder/segmentation.c b/vp8/encoder/segmentation.c
index c4a1475583cfad638b3eea391040564b56d23ced..c36246a027f6fe2bb2d0a5dc035a5defdf570bc4 100644
--- a/vp8/encoder/segmentation.c
+++ b/vp8/encoder/segmentation.c
@@ -106,7 +106,7 @@ void vp8_set_segment_data(VP8_PTR ptr,
 {
     VP8_COMP *cpi = (VP8_COMP *)(ptr);
 
-    cpi->mb.e_mbd.mb_segement_abs_delta = abs_delta;
+    cpi->mb.e_mbd.mb_segment_abs_delta = abs_delta;
 
     vpx_memcpy(cpi->mb.e_mbd.segment_feature_data, feature_data,
                sizeof(cpi->mb.e_mbd.segment_feature_data));