diff --git a/base/strings/io.jl b/base/strings/io.jl
index 151909d6405e4e..4dc87ae72c2b51 100644
--- a/base/strings/io.jl
+++ b/base/strings/io.jl
@@ -9,6 +9,7 @@ function print(io::IO, x)
     finally
         unlock(io)
     end
+    return nothing
 end
 
 function print(io::IO, xs...)
@@ -20,6 +21,7 @@ function print(io::IO, xs...)
     finally
         unlock(io)
     end
+    return nothing
 end
 
 println(io::IO, xs...) = print(io, xs..., '\n')
diff --git a/test/broadcast.jl b/test/broadcast.jl
index 4942445111d1b6..76266096efdf7d 100644
--- a/test/broadcast.jl
+++ b/test/broadcast.jl
@@ -254,3 +254,7 @@ end
 
 # Issue 17314
 @test broadcast(x->log(log(log(x))), [1000]) == [log(log(log(1000)))]
+let io = IOBuffer()
+    broadcast(x->print(io,x), 1:5) # broadcast with side effects
+    @test takebuf_array(io) == [0x31,0x32,0x33,0x34,0x35]
+end