diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 6efc6102bd..785cee6f18 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -6357,7 +6357,7 @@ ssize_t qemuDomainLogContextRead(qemuDomainLogContextPtr ctxt,
 
         buf[got] = '\0';
 
-        ignore_value(VIR_REALLOC_N_QUIET(buf, got + 1));
+        buf = g_renew(char, buf, got + 1);
         buflen = got;
     }