diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/XmlPullParserUtil.java b/library/core/src/main/java/com/google/android/exoplayer2/util/XmlPullParserUtil.java
index 84a6e4cebf..6d568b14c6 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/XmlPullParserUtil.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/util/XmlPullParserUtil.java
@@ -56,8 +56,7 @@ public final class XmlPullParserUtil {
    * @return Whether the current event is a start tag with the specified name.
    * @throws XmlPullParserException If an error occurs querying the parser.
    */
-  public static boolean isStartTag(XmlPullParser xpp, String name)
-      throws XmlPullParserException {
+  public static boolean isStartTag(XmlPullParser xpp, String name) throws XmlPullParserException {
     return isStartTag(xpp) && xpp.getName().equals(name);
   }
 
@@ -72,22 +71,59 @@ public final class XmlPullParserUtil {
     return xpp.getEventType() == XmlPullParser.START_TAG;
   }
 
+  /**
+   * Returns whether the current event is a start tag with the specified name. If the current event
+   * has a raw name then its prefix is stripped before matching.
+   *
+   * @param xpp The {@link XmlPullParser} to query.
+   * @param name The specified name.
+   * @return Whether the current event is a start tag with the specified name.
+   * @throws XmlPullParserException If an error occurs querying the parser.
+   */
+  public static boolean isStartTagIgnorePrefix(XmlPullParser xpp, String name)
+      throws XmlPullParserException {
+    return isStartTag(xpp) && stripPrefix(xpp.getName()).equals(name);
+  }
+
   /**
    * Returns the value of an attribute of the current start tag.
    *
    * @param xpp The {@link XmlPullParser} to query.
    * @param attributeName The name of the attribute.
    * @return The value of the attribute, or null if the current event is not a start tag or if no
-   *     no such attribute was found.
+   *     such attribute was found.
    */
   public static String getAttributeValue(XmlPullParser xpp, String attributeName) {
     int attributeCount = xpp.getAttributeCount();
     for (int i = 0; i < attributeCount; i++) {
-      if (attributeName.equals(xpp.getAttributeName(i))) {
+      if (xpp.getAttributeName(i).equals(attributeName)) {
         return xpp.getAttributeValue(i);
       }
     }
     return null;
   }
 
+  /**
+   * Returns the value of an attribute of the current start tag. Any raw attribute names in the
+   * current start tag have their prefixes stripped before matching.
+   *
+   * @param xpp The {@link XmlPullParser} to query.
+   * @param attributeName The name of the attribute.
+   * @return The value of the attribute, or null if the current event is not a start tag or if no
+   *     such attribute was found.
+   */
+  public static String getAttributeValueIgnorePrefix(XmlPullParser xpp, String attributeName) {
+    int attributeCount = xpp.getAttributeCount();
+    for (int i = 0; i < attributeCount; i++) {
+      if (stripPrefix(xpp.getAttributeName(i)).equals(attributeName)) {
+        return xpp.getAttributeValue(i);
+      }
+    }
+    return null;
+  }
+
+  private static String stripPrefix(String name) {
+    int prefixSeparatorIndex = name.indexOf(':');
+    return prefixSeparatorIndex == -1 ? name : name.substring(prefixSeparatorIndex + 1);
+  }
 }
diff --git a/library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java b/library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java
index a6754ba159..4462e329ee 100644
--- a/library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java
+++ b/library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java
@@ -379,7 +379,7 @@ public class DashManifestParser extends DefaultHandler
       switch (Util.toLowerInvariant(schemeIdUri)) {
         case "urn:mpeg:dash:mp4protection:2011":
           schemeType = xpp.getAttributeValue(null, "value");
-          String defaultKid = xpp.getAttributeValue(null, "cenc:default_KID");
+          String defaultKid = XmlPullParserUtil.getAttributeValueIgnorePrefix(xpp, "default_KID");
           if (!TextUtils.isEmpty(defaultKid)
               && !"00000000-0000-0000-0000-000000000000".equals(defaultKid)) {
             String[] defaultKidStrings = defaultKid.split("\\s+");
@@ -410,7 +410,8 @@ public class DashManifestParser extends DefaultHandler
         String robustnessLevel = xpp.getAttributeValue(null, "robustness_level");
         requiresSecureDecoder = robustnessLevel != null && robustnessLevel.startsWith("HW");
       } else if (data == null) {
-        if (XmlPullParserUtil.isStartTag(xpp, "cenc:pssh") && xpp.next() == XmlPullParser.TEXT) {
+        if (XmlPullParserUtil.isStartTagIgnorePrefix(xpp, "pssh")
+            && xpp.next() == XmlPullParser.TEXT) {
           // The cenc:pssh element is defined in 23001-7:2015.
           data = Base64.decode(xpp.getText(), Base64.DEFAULT);
           uuid = PsshAtomUtil.parseUuid(data);