diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 43b7a5a7add8107d9e27e71e56f0bb9bd1f657ea..0792dd8f8a390d6b02802e54b4c478bc2bd40545 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -805,7 +805,8 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
 
         crypt_format = virReadBufInt32BE(buf +
                                          fileTypeInfo[meta->format].qcowCryptOffset);
-        if (crypt_format && VIR_ALLOC(meta->encryption) < 0)
+        if (crypt_format && !meta->encryption &&
+            VIR_ALLOC(meta->encryption) < 0)
             goto cleanup;
     }