src/lib/krb5/krb/deltat.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/lib/krb5/krb/deltat.c b/src/lib/krb5/krb/deltat.c
index 5727179..37a9f46 100644
--- a/src/lib/krb5/krb/deltat.c
+++ b/src/lib/krb5/krb/deltat.c
@@ -1195,7 +1195,7 @@ yyparse ()
 int yychar;
 
 /* The semantic value of the lookahead symbol.  */
-YYSTYPE yylval;
+YYSTYPE yylval = { .val = 0 };
 
     /* Number of syntax errors so far.  */
     int yynerrs;