diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 33196ff..238022b 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -570,7 +570,7 @@
 #ifdef Py_NAN
 	if (b == 0.0) {
 		PyErr_SetString(PyExc_ZeroDivisionError,
-				"float division");
+				"float division by zero");
 		return NULL;
 	}
 #endif