diff --git a/lib/src/english/IdiomEng.gf b/lib/src/english/IdiomEng.gf
index 87fb03136..d725b903f 100644
--- a/lib/src/english/IdiomEng.gf
+++ b/lib/src/english/IdiomEng.gf
@@ -26,5 +26,7 @@ concrete IdiomEng of Idiom = CatEng ** open Prelude, ResEng in {
 
     ImpPl1 vp = {s = "let's" ++ infVP True vp (AgP1 Pl)} ;
 
+    ImpP3 np vp = {s = "let" ++ np.s ! Acc ++ infVP True vp np.a} ;
+
 }