diff --git a/cfg/motif.cfg b/cfg/motif.cfg
index 4654fac54..f4221a230 100644
--- a/cfg/motif.cfg
+++ b/cfg/motif.cfg
@@ -160,9 +160,7 @@
   <function name="XtSetArg">
     <noreturn>false</noreturn>
     <leak-ignore/>
-    <arg nr="1">
-      <not-uninit/>
-    </arg>
+    <arg nr="1"/>
     <arg nr="2">
       <not-uninit/>
       <strz/>