diff --git a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
index 0725144..634f2bb 100644
--- a/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
+++ b/src/main/java/com/android/tools/r8/graph/DexEncodedMethod.java
@@ -942,7 +942,9 @@
     assert !accessFlags.isStatic();
     return builder(this)
         .modifyAccessFlags(MethodAccessFlags::setAbstract)
-        .setIsLibraryMethodOverrideIfKnown(isLibraryMethodOverride())
+        .setIsLibraryMethodOverrideIf(
+            isNonPrivateVirtualMethod() && !isLibraryMethodOverride().isUnknown(),
+            isLibraryMethodOverride())
         .unsetCode()
         .addBuildConsumer(
             method -> OptimizationFeedbackSimple.getInstance().unsetBridgeInfo(method))