diff --git a/src/cmd/compile/internal/gc/closure.go b/src/cmd/compile/internal/gc/closure.go
index ecdf19a2c4..66c710f8e5 100644
--- a/src/cmd/compile/internal/gc/closure.go
+++ b/src/cmd/compile/internal/gc/closure.go
@@ -166,7 +166,7 @@ func closurename(n *Node) *Sym {
 	prefix := ""
 	if n.Func.Outerfunc == nil {
 		// Global closure.
-		outer = "glob"
+		outer = "glob."
 
 		prefix = "func"
 		closurename_closgen++
diff --git a/test/fixedbugs/issue16193.go b/test/fixedbugs/issue16193.go
new file mode 100644
index 0000000000..eada62de9a
--- /dev/null
+++ b/test/fixedbugs/issue16193.go
@@ -0,0 +1,27 @@
+// compile
+
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The compiler used the name "glob" as the function holding a global
+// function literal, colliding with an actual function named "glob".
+
+package main
+
+func glob() {
+	func() {
+	}()
+}
+
+var c1 = func() {
+}
+
+var c2 = func() {
+}
+
+func main() {
+	glob()
+	c1()
+	c2()
+}