diff --git a/Examples/test-suite/common.mk b/Examples/test-suite/common.mk
index bc309cf76..59142d5a0 100644
--- a/Examples/test-suite/common.mk
+++ b/Examples/test-suite/common.mk
@@ -308,6 +308,7 @@ C_TEST_CASES += \
 	name \
 	nested \
 	newobject2 \
+	overload_extend \
 	overload_extendc \
 	preproc \
 	ret_by_value \
diff --git a/Examples/test-suite/overload_extend.i b/Examples/test-suite/overload_extend.i
index a892fd9a4..65206c359 100644
--- a/Examples/test-suite/overload_extend.i
+++ b/Examples/test-suite/overload_extend.i
@@ -1,14 +1,18 @@
 %module overload_extend
 
+#ifndef __cplusplus
+%typemap(default) double y "$1=1000;";
+#endif
+
 #pragma SWIG nowarn=-302
 %extend Foo {
     int test() { return 0; }
     int test(int x) { x = 0; return 1; }
     int test(char *s) { s = 0; return 2; }
 #ifdef __cplusplus
-    int test(double x, double y = 0) { x = 0; y = 0; return 3; }
+    double test(double x, double y = 1000) { return x + y; }
 #else
-    int test(double x, double y) { x = 0; y = 0; return 3; }
+    double test(double x, double y) { return x + y; }
 #endif
 };
 
diff --git a/Examples/test-suite/python/overload_extend_runme.py b/Examples/test-suite/python/overload_extend_runme.py
index 48b76c385..7d08d482b 100644
--- a/Examples/test-suite/python/overload_extend_runme.py
+++ b/Examples/test-suite/python/overload_extend_runme.py
@@ -7,7 +7,8 @@ if f.test(3) != 1:
     raise RuntimeError
 if f.test("hello") != 2:
     raise RuntimeError
-if f.test(3.5,2.5) != 3:
+if f.test(3,2) != 5:
+    raise RuntimeError
+if f.test(3.0) != 1003:
     raise RuntimeError
 
-