diff --git a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java
index ce56c115f9..a72aed3e75 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java
@@ -550,7 +550,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
       return;
     }
 
-    if (inputFormat.drmInitData == null && usePassthrough(inputFormat)) {
+    if (sourceDrmSession == null && usePassthrough(inputFormat)) {
       initPassthrough(inputFormat);
       return;
     }