diff --git a/lib/dot/dependencies.jst b/lib/dot/dependencies.jst
index c5b8f89..c41f334 100644
--- a/lib/dot/dependencies.jst
+++ b/lib/dot/dependencies.jst
@@ -5,6 +5,14 @@
 {{# def.setupNextLevel }}
 
 
+{{## def.propertyInData:
+  {{=$data}}{{= it.util.getProperty($property) }} !== undefined
+  {{? $ownProperties }}
+    && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
+  {{?}}
+#}}
+
+
 {{
   var $schemaDeps = {}
     , $propertyDeps = {}
@@ -25,10 +33,7 @@ var missing{{=$lvl}};
 {{ for (var $property in $propertyDeps) { }}
   {{ $deps = $propertyDeps[$property]; }}
   {{? $deps.length }}
-    if ({{=$data}}{{= it.util.getProperty($property) }} !== undefined
-      {{? $ownProperties }}
-        && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
-      {{?}}
+    if ({{# def.propertyInData }}
       {{? $breakOnError }}
           && ({{# def.checkMissingProperty:$deps }})) {
           {{# def.errorMissingProperty:'dependencies' }}
@@ -53,7 +58,7 @@ var missing{{=$lvl}};
   {{? {{# def.nonEmptySchema:$sch }} }}
     {{=$nextValid}} = true;
 
-    if ({{=$data}}{{= it.util.getProperty($property) }} !== undefined) {
+    if ({{# def.propertyInData }}) {
       {{ 
         $it.schema = $sch;
         $it.schemaPath = $schemaPath + it.util.getProperty($property);
diff --git a/spec/options.spec.js b/spec/options.spec.js
index a1bef53..0c5494c 100644
--- a/spec/options.spec.js
+++ b/spec/options.spec.js
@@ -158,6 +158,23 @@ describe('Ajv Options', function () {
       test(schema, obj, proto, 1, true);
     });
 
+    it('should only validate own properties with schema dependencies', function() {
+      var schema = {
+        dependencies: {
+          a: { not: { required: ['c'] } },
+          b: { not: { required: ['d'] } }
+        }
+      };
+
+      var obj = { a: 1, d: 3 };
+      var proto = { b: 2 };
+      test(schema, obj, proto);
+
+      obj = { a: 1, b: 2 };
+      proto = { d: 4 };
+      test(schema, obj, proto);
+    });
+
     it('should only validate own properties with patternProperties', function() {
       var schema = {
         patternProperties: { 'f.*o': { type: 'integer' } },