diff --git a/javalib/api/system-current.txt b/javalib/api/system-current.txt
index 1977321..fe9943d 100644
--- a/javalib/api/system-current.txt
+++ b/javalib/api/system-current.txt
@@ -56,7 +56,7 @@
   }
 
   public final class VirtualMachineConfig {
-    method @NonNull public String getApkPath();
+    method @Nullable public String getApkPath();
     method @NonNull public int getDebugLevel();
     method @IntRange(from=0) public long getEncryptedStorageKib();
     method @IntRange(from=0) public int getMemoryMib();