diff --git a/softmmu/qtest.c b/softmmu/qtest.c
index 0f1d478bda..66757ba261 100644
--- a/softmmu/qtest.c
+++ b/softmmu/qtest.c
@@ -397,9 +397,11 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
         || strcmp(words[0], "irq_intercept_in") == 0) {
         DeviceState *dev;
         NamedGPIOList *ngl;
+        bool is_named;
         bool is_outbound;
 
         g_assert(words[1]);
+        is_named = words[2] != NULL;
         is_outbound = words[0][14] == 'o';
         dev = DEVICE(object_resolve_path(words[1], NULL));
         if (!dev) {
@@ -408,6 +410,12 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
             return;
         }
 
+        if (is_named && !is_outbound) {
+            qtest_send_prefix(chr);
+            qtest_send(chr, "FAIL Interception of named in-GPIOs not yet supported\n");
+            return;
+        }
+
         if (irq_intercept_dev) {
             qtest_send_prefix(chr);
             if (irq_intercept_dev != dev) {