2 files changed, 2 insertions, 2 deletions
diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
index 43e45ef7aa..8a724b6b43 100644
--- a/Modules/grpmodule.c
+++ b/Modules/grpmodule.c
@@ -156,7 +156,7 @@ grp_getgrnam_impl(PyObject *module, PyObject *name)
         goto out;
 
     if ((p = getgrnam(name_chars)) == NULL) {
-        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %S", name);
+        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %R", name);
         goto out;
     }
     retval = mkgrent(p);
diff --git a/Modules/pwdmodule.c b/Modules/pwdmodule.c
index 21c2b546f6..810427a229 100644
--- a/Modules/pwdmodule.c
+++ b/Modules/pwdmodule.c
@@ -163,7 +163,7 @@ pwd_getpwnam_impl(PyObject *module, PyObject *arg)
         goto out;
     if ((p = getpwnam(name)) == NULL) {
         PyErr_Format(PyExc_KeyError,
-                     "getpwnam(): name not found: %S", arg);
+                     "getpwnam(): name not found: %R", arg);
         goto out;
     }
     retval = mkpwent(p);