diff --git a/vl.c b/vl.c
index 70da053..94e989f 100644
--- a/vl.c
+++ b/vl.c
@@ -4777,6 +4777,10 @@
         }
     }
 
+#ifdef USE_KQEMU
+    if (smp_cpus > 1)
+        kqemu_allowed = 0;
+#endif
     linux_boot = (kernel_filename != NULL);
         
     if (!linux_boot &&