diff --git a/lib/dash/dash_parser.js b/lib/dash/dash_parser.js
index fc6ee817f1..5075fb9ac1 100644
--- a/lib/dash/dash_parser.js
+++ b/lib/dash/dash_parser.js
@@ -173,6 +173,9 @@ shaka.dash.DashParser = class {
 
     /** @private {HTMLMediaElement} */
     this.mediaElement_ = null;
+
+    /** @private {boolean} */
+    this.isTransitionFromDynamicToStatic_ = false;
   }
 
   /**
@@ -644,6 +647,11 @@ shaka.dash.DashParser = class {
     }
     const mpdType = mpd.attributes['type'] || 'static';
 
+    if (this.manifest_ && this.manifest_.presentationTimeline) {
+      this.isTransitionFromDynamicToStatic_ =
+          this.manifest_.presentationTimeline.isLive() && mpdType == 'static';
+    }
+
     this.manifestPatchContext_.type = mpdType;
 
     /** @type {!shaka.media.PresentationTimeline} */
@@ -730,7 +738,7 @@ shaka.dash.DashParser = class {
     const duration = periodsAndDuration.duration;
     const periods = periodsAndDuration.periods;
 
-    if (mpdType == 'static' ||
+    if ((mpdType == 'static' && !this.isTransitionFromDynamicToStatic_) ||
         !periodsAndDuration.durationDerivedFromPeriods) {
       // Ignore duration calculated from Period lengths if this is dynamic.
       presentationTimeline.setDuration(duration || Infinity);
@@ -756,7 +764,7 @@ shaka.dash.DashParser = class {
 
     // Use @maxSegmentDuration to override smaller, derived values.
     presentationTimeline.notifyMaxSegmentDuration(maxSegmentDuration || 1);
-    if (goog.DEBUG) {
+    if (goog.DEBUG && !this.isTransitionFromDynamicToStatic_) {
       presentationTimeline.assertIsValid();
     }
 
@@ -1268,8 +1276,14 @@ shaka.dash.DashParser = class {
           presentationDuration;
     }
 
+    let seekRangeStart = 0;
+    if (this.manifest_ && this.manifest_.presentationTimeline &&
+        this.isTransitionFromDynamicToStatic_) {
+      seekRangeStart = this.manifest_.presentationTimeline.getSeekRangeStart();
+    }
+
     const periods = [];
-    let prevEnd = 0;
+    let prevEnd = seekRangeStart;
     const periodNodes = TXml.findChildren(mpd, 'Period');
     for (let i = 0; i < periodNodes.length; i++) {
       const elem = periodNodes[i];
@@ -1294,7 +1308,7 @@ shaka.dash.DashParser = class {
         // "The Period extends until the Period.start of the next Period, or
         // until the end of the Media Presentation in the case of the last
         // Period."
-        periodDuration = presentationDuration - start;
+        periodDuration = presentationDuration - start + seekRangeStart;
       }
 
       const threshold =
@@ -1387,15 +1401,20 @@ shaka.dash.DashParser = class {
     this.lastManifestUpdatePeriodIds_ = periods.map((el) => el.id);
 
     if (presentationDuration != null) {
-      if (prevEnd != presentationDuration) {
-        shaka.log.warning(
-            '@mediaPresentationDuration does not match the total duration of ',
-            'all Periods.');
-        // Assume @mediaPresentationDuration is correct.
+      if (prevEnd != null) {
+        const threshold =
+            shaka.util.ManifestParserUtils.GAP_OVERLAP_TOLERANCE_SECONDS;
+        const diference = prevEnd - seekRangeStart - presentationDuration;
+        if (Math.abs(diference) > threshold) {
+          shaka.log.warning(
+              '@mediaPresentationDuration does not match the total duration ',
+              'of all Periods.');
+          // Assume @mediaPresentationDuration is correct.
+        }
       }
       return {
         periods: periods,
-        duration: presentationDuration,
+        duration: presentationDuration + seekRangeStart,
         durationDerivedFromPeriods: false,
       };
     } else {