diff --git a/src/libvirt.c b/src/libvirt.c
index 388c040c6a..245c373bcc 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -21893,6 +21893,7 @@ virNodeAllocPages(virConnectPtr conn,
     virResetLastError();
 
     virCheckConnectReturn(conn, -1);
+    virCheckReadOnlyGoto(conn->flags, error);
     virCheckNonZeroArgGoto(npages, error);
     virCheckNonNullArgGoto(pageSizes, error);
     virCheckNonNullArgGoto(pageCounts, error);