diff --git a/dmd/expression.c b/dmd/expression.c
index 5a7ef295..467fb267 100644
--- a/dmd/expression.c
+++ b/dmd/expression.c
@@ -8609,14 +8609,6 @@ Expression *CatAssignExp::semantic(Scope *sc)
         e2 = e2->castTo(sc, e1->type);
         type = e1->type;
         e = this;
-    }
-    else if ((tb1->ty == Tarray) &&
-        e2->implicitConvTo(tb1next)
-       )
-    {   // Append element
-        e2 = e2->castTo(sc, tb1next);
-        type = e1->type;
-        e = this;
 // Reenable when _d_arrayappendwd and cd are in the runtime.
 /*    }
 
@@ -8633,6 +8625,14 @@ Expression *CatAssignExp::semantic(Scope *sc)
          * to be a surrogate pair, nothing good can result.
          */
     }
+    else if ((tb1->ty == Tarray) &&
+        e2->implicitConvTo(tb1next)
+       )
+    {   // Append element
+        e2 = e2->castTo(sc, tb1next);
+        type = e1->type;
+        e = this;
+    }
     else
     {
         if (tb1 != Type::terror && tb2 != Type::terror)