diff --git a/source/duke3d/src/gamedef.cpp b/source/duke3d/src/gamedef.cpp
index 8ca07f999..6118b31f8 100644
--- a/source/duke3d/src/gamedef.cpp
+++ b/source/duke3d/src/gamedef.cpp
@@ -768,6 +768,7 @@ const memberlabel_t WallLabels[]=
     { "extra", WALL_EXTRA, 0, 0 },
     { "ulotag", WALL_ULOTAG, 0, 0 },
     { "uhitag", WALL_UHITAG, 0, 0 },
+    { "blend", WALL_BLEND, 0, 0 },
     { "", -1, 0, 0  }     // END OF LIST
 };
 
diff --git a/source/duke3d/src/gamedef.h b/source/duke3d/src/gamedef.h
index 3494bcebc..afb5795eb 100644
--- a/source/duke3d/src/gamedef.h
+++ b/source/duke3d/src/gamedef.h
@@ -583,6 +583,7 @@ enum WallLabel_t
     WALL_EXTRA,
     WALL_ULOTAG,
     WALL_UHITAG,
+    WALL_BLEND,
     WALL_END
 };
 
diff --git a/source/duke3d/src/gamestructures.cpp b/source/duke3d/src/gamestructures.cpp
index 075a23793..6f862212d 100644
--- a/source/duke3d/src/gamestructures.cpp
+++ b/source/duke3d/src/gamestructures.cpp
@@ -834,6 +834,13 @@ int32_t __fastcall VM_GetWall(int32_t const wallNum, int32_t labelNum)
         case WALL_ULOTAG: labelNum = pWall->lotag; break;
         case WALL_UHITAG: labelNum = pWall->hitag; break;
         case WALL_EXTRA: labelNum = pWall->extra; break;
+        case WALL_BLEND:
+#ifdef NEW_MAP_FORMAT
+            labelNum = pWall->blend;
+#else
+            labelNum = wallext[wallNum].blend;
+#endif
+            break;
         default: labelNum = -1;
     }
 
@@ -871,6 +878,13 @@ void __fastcall VM_SetWall(int32_t const wallNum, int32_t const labelNum, int32_
         case WALL_ULOTAG: pWall->lotag = iSet; break;
         case WALL_UHITAG: pWall->hitag = iSet; break;
         case WALL_EXTRA: pWall->extra = iSet; break;
+        case WALL_BLEND:
+#ifdef NEW_MAP_FORMAT
+            pWall->blend = iSet;
+#else
+            wallext[wallNum].blend = iSet;
+#endif
+            break;
     }
 
     return;