diff --git a/src/flint/nmod_poly.jl b/src/flint/nmod_poly.jl
index f5dc2dbb4..f84f41c9b 100644
--- a/src/flint/nmod_poly.jl
+++ b/src/flint/nmod_poly.jl
@@ -922,6 +922,8 @@ Base.promote_rule{V <: Integer}(::Type{nmod_poly}, ::Type{V}) = nmod_poly
 
 Base.promote_rule(::Type{nmod_poly}, ::Type{fmpz}) = nmod_poly
 
+Base.promote_rule(::Type{nmod_poly}, ::Type{GenRes{fmpz}}) = nmod_poly
+
 ###############################################################################
 #
 #   Polynomial substitution