diff --git a/src/core/mac/mac.cpp b/src/core/mac/mac.cpp
index e554ed806..42faf0c03 100644
--- a/src/core/mac/mac.cpp
+++ b/src/core/mac/mac.cpp
@@ -313,6 +313,7 @@ void Mac::GetHashMacAddress(ExtAddress *aHashMacAddress)
     sha256.Finish(buf);
 
     memcpy(aHashMacAddress->m8, buf, OT_EXT_ADDRESS_SIZE);
+    aHashMacAddress->SetLocal(true);
 }
 
 ShortAddress Mac::GetShortAddress(void) const