diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 4d518b23fc..1cdc6d27b6 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7435,7 +7435,7 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
         goto no_memory;
 
     if (STREQ(def->os.arch, "i686")||STREQ(def->os.arch, "x86_64"))
-        def->features = (1 << VIR_DOMAIN_FEATURE_ACPI)
+        def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI)
         /*| (1 << VIR_DOMAIN_FEATURE_APIC)*/;
 #define WANT_VALUE()                                                   \
     const char *val = progargv[++i];                                   \
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
index 88fc2b8165..cc523870f6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
@@ -8,6 +8,9 @@
     <type arch='i686' machine='pc'>hvm</type>
     <boot dev='network'/>
   </os>
+  <features>
+    <pae/>
+  </features>
   <clock offset='utc'>
     <timer name='kvmclock' present='no'/>
   </clock>