diff --git a/tests/uitests/test_details.py b/tests/uitests/test_details.py
index 0110b224..f823c9ef 100644
--- a/tests/uitests/test_details.py
+++ b/tests/uitests/test_details.py
@@ -588,6 +588,7 @@ def testDetailsEditDevices1(app):
 
 
 def testDetailsEditDevices2(app):
+    app.uri = tests.utils.URIs.kvm_x86
     win = app.manager_open_details("test-many-devices",
             shutdown=True)
     appl = win.find("config-apply", "push button")
@@ -617,6 +618,9 @@ def testDetailsEditDevices2(app):
 
     # Filesystem tweaks
     tab = _select_hw(app, win, "Filesystem /target/", "filesystem-tab")
+    tab.combo_select("Driver:", "virtiofs")
+    w = tab.find_fuzzy("Enable shared memory", "label")
+    lib.utils.check(lambda: w.visible)
     tab.find("Source path:", "text").set_text("/frib1")
     tab.find("Target path:", "text").set_text("newtarget")
     tab.find_fuzzy("Export filesystem", "check box").click()
diff --git a/ui/fsdetails.ui b/ui/fsdetails.ui
index 7f0c7074..6d0d18ae 100644
--- a/ui/fsdetails.ui
+++ b/ui/fsdetails.ui
@@ -7,7 +7,7 @@
     <property name="step-increment">100</property>
     <property name="page-increment">1000</property>
   </object>
-  <!-- n-columns=2 n-rows=7 -->
+  <!-- n-columns=2 n-rows=8 -->
   <object class="GtkGrid" id="vmm-fs-details">
     <property name="visible">True</property>
     <property name="can-focus">False</property>
@@ -22,7 +22,7 @@
       </object>
       <packing>
         <property name="left-attach">1</property>
-        <property name="top-attach">5</property>
+        <property name="top-attach">6</property>
       </packing>
     </child>
     <child>
@@ -37,7 +37,7 @@
       </object>
       <packing>
         <property name="left-attach">1</property>
-        <property name="top-attach">6</property>
+        <property name="top-attach">7</property>
       </packing>
     </child>
     <child>
@@ -76,7 +76,7 @@
       </object>
       <packing>
         <property name="left-attach">1</property>
-        <property name="top-attach">3</property>
+        <property name="top-attach">4</property>
       </packing>
     </child>
     <child>
@@ -118,7 +118,7 @@
       </object>
       <packing>
         <property name="left-attach">0</property>
-        <property name="top-attach">3</property>
+        <property name="top-attach">4</property>
       </packing>
     </child>
     <child>
@@ -132,7 +132,7 @@
       </object>
       <packing>
         <property name="left-attach">0</property>
-        <property name="top-attach">5</property>
+        <property name="top-attach">6</property>
       </packing>
     </child>
     <child>
@@ -145,7 +145,7 @@
       </object>
       <packing>
         <property name="left-attach">0</property>
-        <property name="top-attach">6</property>
+        <property name="top-attach">7</property>
       </packing>
     </child>
     <child>
@@ -159,7 +159,7 @@
       </object>
       <packing>
         <property name="left-attach">0</property>
-        <property name="top-attach">4</property>
+        <property name="top-attach">5</property>
       </packing>
     </child>
     <child>
@@ -198,7 +198,7 @@
       </object>
       <packing>
         <property name="left-attach">1</property>
-        <property name="top-attach">4</property>
+        <property name="top-attach">5</property>
       </packing>
     </child>
     <child>
@@ -212,7 +212,7 @@
       </object>
       <packing>
         <property name="left-attach">0</property>
-        <property name="top-attach">2</property>
+        <property name="top-attach">3</property>
       </packing>
     </child>
     <child>
@@ -230,7 +230,7 @@
       </object>
       <packing>
         <property name="left-attach">1</property>
-        <property name="top-attach">2</property>
+        <property name="top-attach">3</property>
       </packing>
     </child>
     <child>
@@ -269,5 +269,45 @@
         <property name="top-attach">1</property>
       </packing>
     </child>
+    <child>
+      <object class="GtkBox" id="fs-driver-warn-box">
+        <property name="visible">True</property>
+        <property name="can-focus">False</property>
+        <property name="spacing">3</property>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <property name="stock">gtk-dialog-warning</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="fs-driver-warn">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <property name="label" translatable="yes">blah foo warning message</property>
+            <property name="wrap">True</property>
+            <property name="max-width-chars">40</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+      <packing>
+        <property name="left-attach">1</property>
+        <property name="top-attach">2</property>
+      </packing>
+    </child>
+    <child>
+      <placeholder/>
+    </child>
   </object>
 </interface>
diff --git a/virtManager/device/fsdetails.py b/virtManager/device/fsdetails.py
index 17048352..40868d1c 100644
--- a/virtManager/device/fsdetails.py
+++ b/virtManager/device/fsdetails.py
@@ -8,6 +8,7 @@
 from gi.repository import Gtk
 
 from virtinst import DeviceFilesystem
+from virtinst import xmlutil
 
 from ..lib import uiutil
 from ..baseclass import vmmGObjectUI
@@ -152,6 +153,16 @@ class vmmFSDetails(vmmGObjectUI):
         uiutil.set_grid_row_visible(
                 self.widget("fs-driver-combo"), show_driver_combo)
 
+        need_shared_mem = fsdriver == "virtiofs"
+        have_shared_mem, _shared_mem_err = self.vm.has_shared_mem()
+        show_shared_mem_warn = need_shared_mem and not have_shared_mem
+        uiutil.set_grid_row_visible(
+                self.widget("fs-driver-warn-box"), show_shared_mem_warn)
+        if show_shared_mem_warn:
+            label = _(
+                    "You may need to 'Enable shared memory' on the 'Memory' screen.")
+            self.widget("fs-driver-warn").set_markup(
+                    "<small>%s</small>" % xmlutil.xml_escape(label))
 
 
     ##############