diff --git a/frappe/database.py b/frappe/database.py
index c245f415bc..c2db226d5d 100644
--- a/frappe/database.py
+++ b/frappe/database.py
@@ -344,7 +344,7 @@ class Database:
 					_rhs = " ({0})".format(", ".join(inner_list))
 					del values[key]
 
-			if _operator not in ["=", "!=", ">", ">=", "<", "<=", "like", "in", "not in"]:
+			if _operator not in ["=", "!=", ">", ">=", "<", "<=", "like", "in", "not in", "not like"]:
 				_operator = "="
 
 			if "[" in key:
diff --git a/frappe/model/db_query.py b/frappe/model/db_query.py
index 6aceeac6d5..93f42fcb1d 100644
--- a/frappe/model/db_query.py
+++ b/frappe/model/db_query.py
@@ -248,7 +248,7 @@ class DatabaseQuery(object):
 				value = get_time(f.value).strftime("%H:%M:%S.%f")
 				fallback = "'00:00:00'"
 
-			elif f.operator == "like" or (isinstance(f.value, basestring) and
+			elif f.operator in ("like", "not like") or (isinstance(f.value, basestring) and
 				(not df or df.fieldtype not in ["Float", "Int", "Currency", "Percent", "Check"])):
 					value = "" if f.value==None else f.value
 					fallback = '""'
diff --git a/frappe/public/js/frappe/ui/filters/edit_filter.html b/frappe/public/js/frappe/ui/filters/edit_filter.html
index 4991115c7f..842da09776 100644
--- a/frappe/public/js/frappe/ui/filters/edit_filter.html
+++ b/frappe/public/js/frappe/ui/filters/edit_filter.html
@@ -8,6 +8,7 @@
 				<option value="in">{%= __("In") %}</option>
 				<option value="not in">{%= __("Not In") %}</option>
 				<option value="!=">{%= __("Not Equals") %}</option>
+				<option value="not like">{%= __("Not Like") %}</option>
 				<option value=">">{%= __(">") %}</option>
 				<option value="<">{%= __("<") %}</option>
 				<option value=">=">{%= __(">=") %}</option>
diff --git a/frappe/public/js/frappe/ui/filters/filters.js b/frappe/public/js/frappe/ui/filters/filters.js
index 9cf7a2fa30..eb52d86ec2 100644
--- a/frappe/public/js/frappe/ui/filters/filters.js
+++ b/frappe/public/js/frappe/ui/filters/filters.js
@@ -150,7 +150,7 @@ frappe.ui.Filter = Class.extend({
 		// add help for "in" codition
 		me.$w.find('.condition').change(function() {
 			var condition = $(this).val();
-			if(in_list(["in", "like", "not in"], condition)) {
+			if(in_list(["in", "like", "not in", "not like"], condition)) {
 				me.set_field(me.field.df.parent, me.field.df.fieldname, 'Data', condition);
 				if(!me.field.desc_area) {
 					me.field.desc_area = $('<div class="text-muted small">').appendTo(me.field.wrapper);
@@ -210,12 +210,12 @@ frappe.ui.Filter = Class.extend({
 		}
 
 		var df = copy_dict(me.fieldselect.fields_by_name[doctype][fieldname]);
-		
+
 		// all fields shown in filters
 		if(df.hidden) {
 			df.hidden = 0;
 		}
-		
+
 		this.set_fieldtype(df, fieldtype);
 
 		// called when condition is changed,
@@ -317,7 +317,7 @@ frappe.ui.Filter = Class.extend({
 			val = (val=='Yes' ? 1 :0);
 		}
 
-		if(this.get_condition()==='like') {
+		if(this.get_condition().indexOf('like', 'not like')!==-1) {
 			// automatically append wildcards
 			if(val) {
 				if(val.slice(0,1) !== "%") {