diff --git a/lib/dash/dash_parser.js b/lib/dash/dash_parser.js
index 93ce23d44f..67dc7542a6 100644
--- a/lib/dash/dash_parser.js
+++ b/lib/dash/dash_parser.js
@@ -1547,8 +1547,8 @@ shaka.dash.DashParser = class {
     // NOTE: An updatePeriod_ of -1 means the attribute was missing.
     // An attribute which is present and set to 0 should still result in
     // periodic updates.  For more, see:
-    // https://github.com/shaka-project/shaka-player/issues/331
-    if (this.updatePeriod_ < 0) {
+    // https://github.com/Dash-Industry-Forum/Guidelines-TimingModel/issues/48
+    if (this.updatePeriod_ <= 0) {
       return;
     }
 
diff --git a/test/dash/dash_parser_live_unit.js b/test/dash/dash_parser_live_unit.js
index c0394c27a3..534050a37d 100644
--- a/test/dash/dash_parser_live_unit.js
+++ b/test/dash/dash_parser_live_unit.js
@@ -661,25 +661,6 @@ describe('DashParser Live', () => {
     expect(delay).toBe(updateTime);
   });
 
-  it('still updates when @minimumUpdatePeriod is zero', async () => {
-    const lines = [
-      '<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />',
-    ];
-    // updateTime parameter sets @minimumUpdatePeriod in the manifest.
-    const manifestText = makeSimpleLiveManifestText(lines, /* updateTime= */ 0);
-
-    /** @type {!jasmine.Spy} */
-    const tickAfter = updateTickSpy();
-    Date.now = () => 0;
-
-    fakeNetEngine.setResponseText('dummy://foo', manifestText);
-    await parser.start('dummy://foo', playerInterface);
-
-    expect(tickAfter).toHaveBeenCalledTimes(1);
-    const delay = tickAfter.calls.mostRecent().args[0];
-    expect(delay).toBe(0);
-  });
-
   it('does not update when @minimumUpdatePeriod is missing', async () => {
     const lines = [
       '<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />',