diff --git a/public/app/core/services/datasource_srv.js b/public/app/core/services/datasource_srv.js
index b8b94cd286d..7c876ebd941 100644
--- a/public/app/core/services/datasource_srv.js
+++ b/public/app/core/services/datasource_srv.js
@@ -97,10 +97,19 @@ function (angular, _, coreModule, config) {
       }
 
       metricSources.sort(function(a, b) {
-        if (a.meta.builtIn || a.name > b.name) {
+        if (a.meta.builtIn) {
           return 1;
         }
-        if (a.name < b.name) {
+
+        if (b.meta.builtIn) {
+          return -1;
+        }
+
+        if (a.name.toLowerCase() > b.name.toLowerCase()) {
+          return 1;
+        }
+
+        if (a.name.toLowerCase() < b.name.toLowerCase()) {
           return -1;
         }
         return 0;
diff --git a/public/test/specs/datasource_srv_specs.js b/public/test/specs/datasource_srv_specs.js
new file mode 100644
index 00000000000..be7c054acaa
--- /dev/null
+++ b/public/test/specs/datasource_srv_specs.js
@@ -0,0 +1,58 @@
+define([
+  'app/core/config',
+  'app/core/services/datasource_srv'
+], function(config) {
+  'use strict';
+
+  describe('datasource_srv', function() {
+    var _datasourceSrv;
+    var metricSources;
+    var templateSrv = {};
+
+    beforeEach(module('grafana.core'));
+    beforeEach(module(function($provide) {
+      $provide.value('templateSrv', templateSrv);
+    }));
+    beforeEach(module('grafana.services'));
+    beforeEach(inject(function(datasourceSrv) {
+      _datasourceSrv = datasourceSrv;
+    }));
+
+    describe('when loading metric sources', function() {
+      var unsortedDatasources = {
+        'mmm': {
+          type: 'test-db',
+          meta: { metrics: {m: 1} }
+        },
+        '--Mixed--': {
+          type: 'test-db',
+          meta: {builtIn: true, metrics: {m: 1} }
+        },
+        'ZZZ': {
+          type: 'test-db',
+          meta: {metrics: {m: 1} }
+        },
+        'aaa': {
+          type: 'test-db',
+          meta: { metrics: {m: 1} }
+        },
+        'BBB': {
+          type: 'test-db',
+          meta: { metrics: {m: 1} }
+        },
+      };
+      beforeEach(function() {
+        config.datasources = unsortedDatasources;
+        metricSources = _datasourceSrv.getMetricSources({skipVariables: true});
+      });
+
+      it('should return a list of sources sorted case insensitively with builtin sources last', function() {
+        expect(metricSources[0].name).to.be('aaa');
+        expect(metricSources[1].name).to.be('BBB');
+        expect(metricSources[2].name).to.be('mmm');
+        expect(metricSources[3].name).to.be('ZZZ');
+        expect(metricSources[4].name).to.be('--Mixed--');
+      });
+    });
+  });
+});