diff --git a/src/editors/number.js b/src/editors/number.js
index acc65ee4d..a1def6799 100644
--- a/src/editors/number.js
+++ b/src/editors/number.js
@@ -6,6 +6,6 @@ JSONEditor.defaults.editors.number = JSONEditor.defaults.editors.string.extend({
     return 2;
   },
   getValue: function() {
-    return this.value*1;
+    return this.value===''?undefined:this.value*1;
   }
 });
diff --git a/src/editors/object.js b/src/editors/object.js
index 22410db84..6940ba9b5 100644
--- a/src/editors/object.js
+++ b/src/editors/object.js
@@ -698,7 +698,7 @@ JSONEditor.defaults.editors.object = JSONEditor.AbstractEditor.extend({
     if(this.jsoneditor.options.remove_empty_properties || this.options.remove_empty_properties) {
       for(var i in result) {
         if(result.hasOwnProperty(i)) {
-          if(!result[i]) delete result[i];
+          if(typeof result[i] === 'undefined' || result[i] === '') delete result[i];
         }
       }
     }
@@ -712,7 +712,7 @@ JSONEditor.defaults.editors.object = JSONEditor.AbstractEditor.extend({
       if(!this.editors.hasOwnProperty(i)) continue;
       this.value[i] = this.editors[i].getValue();
     }
-    
+
     if(this.adding_property) this.refreshAddProperties();
   },
   refreshAddProperties: function() {