diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 24c0ec2798f7c9a952606d1887a34900579f48de..77cc73744f24c26de0f9027e9054051691cea3de 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -27294,10 +27294,10 @@ virDomainCachetuneDefFormat(virBufferPtr buf,
     int ret = -1;
 
     virBufferSetChildIndent(&childrenBuf, buf);
-    virResctrlAllocForeachCache(resctrl->alloc,
-                                virDomainCachetuneDefFormatHelper,
-                                &childrenBuf);
-
+    if (virResctrlAllocForeachCache(resctrl->alloc,
+                                    virDomainCachetuneDefFormatHelper,
+                                    &childrenBuf) < 0)
+        goto cleanup;
 
     if (virBufferCheckError(&childrenBuf) < 0)
         goto cleanup;