diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 80754f26937cc0efd9e277751e80c31cf45072b9..752250b22fb13eea99207ed5fb9090b4d85c6245 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -400,31 +400,27 @@ qemuMonitorJSONCheckError(virJSONValuePtr cmd,
 }
 
 
-static int
+static bool
+qemuMonitorJSONErrorIsClass(virJSONValuePtr error,
+                            const char *klass)
+{
+    return STREQ_NULLABLE(virJSONValueObjectGetString(error, "class"), klass);
+}
+
+
+static bool
 qemuMonitorJSONHasError(virJSONValuePtr reply,
                         const char *klass)
 {
     virJSONValuePtr error;
-    const char *thisklass;
-
-    if (!virJSONValueObjectHasKey(reply, "error"))
-        return 0;
 
-    error = virJSONValueObjectGet(reply, "error");
-    if (!error)
-        return 0;
-
-    if (!virJSONValueObjectHasKey(error, "class"))
-        return 0;
-
-    thisklass = virJSONValueObjectGetString(error, "class");
+    if (!(error = virJSONValueObjectGet(reply, "error")))
+        return false;
 
-    if (!thisklass)
-        return 0;
-
-    return STREQ(klass, thisklass);
+    return qemuMonitorJSONErrorIsClass(error, klass);
 }
 
+
 /* Top-level commands and nested transaction list elements share a
  * common structure for everything except the dictionary names.  */
 static virJSONValuePtr ATTRIBUTE_SENTINEL