diff --git a/lib/libc/stdtime/strptime.c b/lib/libc/stdtime/strptime.c
index ef1e09d76a9f..ca4dcefbf2b2 100644
--- a/lib/libc/stdtime/strptime.c
+++ b/lib/libc/stdtime/strptime.c
@@ -143,7 +143,8 @@ _strptime(const char *buf, const char *fmt, struct tm *tm)
 			break;
 
 		case 'c':
-			buf = _strptime(buf, Locale->c_fmt, tm);
+			/* NOTE: c_fmt is intentionally ignored */
+			buf = _strptime(buf, "%a %Ef %T %Y", tm);
 			if (buf == 0)
 				return 0;
 			break;