diff --git a/_test/fun28.go b/_test/fun28.go
new file mode 100644
index 000000000..c502b4c9e
--- /dev/null
+++ b/_test/fun28.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"runtime"
+)
+
+type T struct {
+	name string
+}
+
+func finalize(t *T) { println("finalize") }
+
+func newT() *T {
+	t := new(T)
+	runtime.SetFinalizer(t, finalize)
+	return t
+}
+
+func main() {
+	t := newT()
+	println(t != nil)
+}
+
+// Output:
+// true
diff --git a/interp/run.go b/interp/run.go
index c2fb5689c..a8cc80b7b 100644
--- a/interp/run.go
+++ b/interp/run.go
@@ -1561,6 +1561,8 @@ func callBin(n *node) {
 				values = append(values, genValue(c))
 			case isInterfaceSrc(c.typ):
 				values = append(values, genValueInterfaceValue(c))
+			case isFuncSrc(c.typ):
+				values = append(values, genFunctionWrapper(c))
 			case c.typ.cat == arrayT || c.typ.cat == variadicT:
 				if isEmptyInterface(c.typ.val) {
 					values = append(values, genValueArray(c))