diff --git a/packages/slate-schema-violations/src/index.js b/packages/slate-schema-violations/src/index.js
index 1c9d7796d..560a4156f 100644
--- a/packages/slate-schema-violations/src/index.js
+++ b/packages/slate-schema-violations/src/index.js
@@ -12,6 +12,8 @@ export const FIRST_CHILD_OBJECT_INVALID = 'first_child_object_invalid'
 export const FIRST_CHILD_TYPE_INVALID = 'first_child_type_invalid'
 export const LAST_CHILD_OBJECT_INVALID = 'last_child_object_invalid'
 export const LAST_CHILD_TYPE_INVALID = 'last_child_type_invalid'
+export const NEXT_SIBLING_OBJECT_INVALID = 'next_sibling_object_invalid'
+export const NEXT_SIBLING_TYPE_INVALID = 'next_sibling_type_invalid'
 export const NODE_DATA_INVALID = 'node_data_invalid'
 export const NODE_IS_VOID_INVALID = 'node_is_void_invalid'
 export const NODE_MARK_INVALID = 'node_mark_invalid'
@@ -20,3 +22,5 @@ export const NODE_TEXT_INVALID = 'node_text_invalid'
 export const NODE_TYPE_INVALID = 'node_type_invalid'
 export const PARENT_OBJECT_INVALID = 'parent_object_invalid'
 export const PARENT_TYPE_INVALID = 'parent_type_invalid'
+export const PREVIOUS_SIBLING_OBJECT_INVALID = 'previous_sibling_object_invalid'
+export const PREVIOUS_SIBLING_TYPE_INVALID = 'previous_sibling_type_invalid'
diff --git a/packages/slate/src/models/schema.js b/packages/slate/src/models/schema.js
index 88c608128..10cd0929c 100644
--- a/packages/slate/src/models/schema.js
+++ b/packages/slate/src/models/schema.js
@@ -138,9 +138,9 @@ const CORE_RULES = [
         i = 0
       } else if (code === 'last_child_object_invalid') {
         i = node.nodes.size
-      } else if (code === 'previous_child_object_invalid') {
+      } else if (code === 'previous_sibling_object_invalid') {
         i = index
-      } else if (code === 'next_child_object_invalid') {
+      } else if (code === 'next_sibling_object_invalid') {
         i = index + 1
       } else {
         return
@@ -156,7 +156,7 @@ const CORE_RULES = [
     next: [{ object: 'block' }, { object: 'inline' }],
     normalize: (change, error) => {
       const { code, next } = error
-      if (code !== 'next_child_object_invalid') return
+      if (code !== 'next_sibling_object_invalid') return
       change.mergeNodeByKey(next.key, { normalize: false })
     },
   },
@@ -714,7 +714,7 @@ function validatePrevious(node, child, previous, index, rules) {
     error.child = child
     error.index = index
     error.previous = previous
-    error.code = error.code.replace('node_', 'previous_child_')
+    error.code = error.code.replace('node_', 'previous_sibling_')
     return error
   }
 }
@@ -734,7 +734,7 @@ function validateNext(node, child, next, index, rules) {
     error.child = child
     error.index = index
     error.next = next
-    error.code = error.code.replace('node_', 'next_child_')
+    error.code = error.code.replace('node_', 'next_sibling_')
     return error
   }
 }