diff --git a/base/io.jl b/base/io.jl
index eb9eff598f712..e15551cfbdfa7 100644
--- a/base/io.jl
+++ b/base/io.jl
@@ -1023,6 +1023,8 @@ eltype(::Type{<:EachLine}) = String
 
 IteratorSize(::Type{<:EachLine}) = SizeUnknown()
 
+isdone(itr::EachLine, state...) = eof(itr.stream)
+
 struct ReadEachIterator{T, IOT <: IO}
     stream::IOT
 end
diff --git a/test/read.jl b/test/read.jl
index b63658d225111..b7e8c2260a4f9 100644
--- a/test/read.jl
+++ b/test/read.jl
@@ -617,3 +617,12 @@ let p = Pipe()
     wait(t)
     close(p)
 end
+
+@testset "issue #27412" begin
+    itr = eachline(IOBuffer("a"))
+    @test !isempty(itr)
+    # check that the earlier isempty did not consume the iterator
+    @test !isempty(itr)
+    first(itr) # consume the iterator
+    @test  isempty(itr) # now it is empty
+end