diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 3dc6a00..6ad8d66 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1889,7 +1889,7 @@
     				return PyFloat_FromDouble(f_result);
 			}
         		if (PyFloat_CheckExact(item)) {
-				PyFPE_START_PROTECT("add", return 0)
+				PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0)
 				f_result += PyFloat_AS_DOUBLE(item);
 				PyFPE_END_PROTECT(f_result)
 				Py_DECREF(item);
@@ -1900,7 +1900,7 @@
 				int overflow;
 				value = PyLong_AsLongAndOverflow(item, &overflow);
 				if (!overflow) {
-					PyFPE_START_PROTECT("add", return 0)
+					PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0)
 					f_result += (double)value;
 					PyFPE_END_PROTECT(f_result)
 					Py_DECREF(item);