diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 392377deae..bedf2cb833 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -2570,7 +2570,7 @@ static int remoteDomainGetBlockIoTune(virDomainPtr domain,
      */
     if (*nparams == 0) {
         *nparams = ret.nparams;
-        return -1;
+        return 0;
     }
 
     if (virTypedParamsDeserialize((struct _virTypedParameterRemote *) ret.params.params_val,