diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 75cecb1bb4a4218ddc9dfb778892ec4aedd36b7e..d7150cae15d8d2b7c72864bc49e193510fc1d654 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -10034,7 +10034,7 @@ qemuDomainNamespaceSetupDisk(virDomainObjPtr vm,
 {
     virStorageSourcePtr next;
     char **paths = NULL;
-    size_t npaths;
+    size_t npaths = 0;
     int ret = -1;
 
     if (!qemuDomainNamespaceEnabled(vm, QEMU_DOMAIN_NS_MOUNT))