diff --git a/Objects/complexobject.c b/Objects/complexobject.c
index 458d0ba..de4641c 100644
--- a/Objects/complexobject.c
+++ b/Objects/complexobject.c
@@ -915,6 +915,7 @@
 			return NULL;
 		}
 		cr.real = PyFloat_AsDouble(tmp);
+                cr.imag = 0.0; /* Shut up compiler warning */
 		Py_DECREF(tmp);
 	}
 	if (i == NULL) {