diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 20fe956f5e4..ff5c0f6a699 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -183,7 +183,7 @@ PyFloat_FromString(PyObject *v)
 	}
 	else if (PyObject_AsCharBuffer(v, &s, &len)) {
 		PyErr_SetString(PyExc_TypeError,
-				"float() argument must be a string or a number");
+			"float() argument must be a string or a number");
 		return NULL;
 	}
 	last = s + len;