diff --git a/basis/ui/backend/x11/keys/keys-tests.factor b/basis/ui/backend/x11/keys/keys-tests.factor
index 87c1491018..7b63571dcb 100644
--- a/basis/ui/backend/x11/keys/keys-tests.factor
+++ b/basis/ui/backend/x11/keys/keys-tests.factor
@@ -5,8 +5,14 @@ IN: ui.backend.x11.keys.tests
     65 f
     "RET" t
     f f
+    "F10" t
+    "F11" t
+    "F12" t
 } [
     65 code>sym
     XK_Return code>sym
     XK_Hyper_R code>sym
+    XK_F10 code>sym
+    XK_F11 code>sym
+    XK_F12 code>sym
 ] unit-test
diff --git a/basis/ui/backend/x11/keys/keys.factor b/basis/ui/backend/x11/keys/keys.factor
index 5184a32384..51572431b3 100644
--- a/basis/ui/backend/x11/keys/keys.factor
+++ b/basis/ui/backend/x11/keys/keys.factor
@@ -40,7 +40,7 @@ CONSTANT: codes
         { $ XK_F9 "F9" }
         { $ XK_F10 "F10" }
         { $ XK_F11 "F11" }
-        { $ XK_F11 "F12" }
+        { $ XK_F12 "F12" }
 
         { $ XK_Shift_L f }
         { $ XK_Shift_R f }