diff --git a/runtime/vdex_file.h b/runtime/vdex_file.h
index 4e45128..36fe09c 100644
--- a/runtime/vdex_file.h
+++ b/runtime/vdex_file.h
@@ -97,6 +97,9 @@
     friend class VdexFile;
   };
 
+  // Note: The file is called "primary" to match the naming with profiles.
+  static const constexpr char* kVdexNameInDmFile = "primary.vdex";
+
   typedef uint32_t VdexChecksum;
   using QuickeningTableOffsetType = uint32_t;