diff --git a/base/reflection.jl b/base/reflection.jl
index 3b0d522bfd0c2..2e976add50190 100644
--- a/base/reflection.jl
+++ b/base/reflection.jl
@@ -1035,11 +1035,11 @@ function hasmethod(f, t, kwnames::Tuple{Vararg{Symbol}}; world::UInt=get_world_c
     match = ccall(:jl_gf_invoke_lookup, Any, (Any, Any, UInt), tt, nothing, world)
     match === nothing && return false
     kws = ccall(:jl_uncompress_argnames, Array{Symbol,1}, (Any,), (match::Method).slot_syms)
+    kws = kws[((match::Method).nargs + 1):end] # remove positional arguments
     isempty(kws) && return true # some kwfuncs simply forward everything directly
     for kw in kws
         endswith(String(kw), "...") && return true
     end
-    kwnames = collect(kwnames)
     return issubset(kwnames, kws)
 end
 
diff --git a/test/reflection.jl b/test/reflection.jl
index 25b61945aefac..6da64ae7d7031 100644
--- a/test/reflection.jl
+++ b/test/reflection.jl
@@ -936,6 +936,7 @@ f(x::Int; y=3) = x + y
 @test hasmethod(f, Tuple{Int})
 @test hasmethod(f, Tuple{Int}, ())
 @test hasmethod(f, Tuple{Int}, (:y,))
+@test !hasmethod(f, Tuple{Int}, (:x,))
 @test !hasmethod(f, Tuple{Int}, (:jeff,))
 @test !hasmethod(f, Tuple{Int}, (:y,), world=typemin(UInt))
 g(; b, c, a) = a + b + c