1 files changed, 2 insertions, 0 deletions

diff --git a/lib/libotputil/lrfc1760-skey.c b/lib/libotputil/lrfc1760-skey.c
index f152cd4..62e5d5e 100644
--- a/lib/libotputil/lrfc1760-skey.c
+++ b/lib/libotputil/lrfc1760-skey.c
@@ -93,6 +93,8 @@ otputil_skey_cmp(
    size_t            x_len = ((x)) ? strlen(x) : 0;
    size_t            y_len = ((y)) ? strlen(y) : 0;
 
+   if ( (!(x)) && (!(y)) )
+      return(0);
    if ( ((x)) && (!(y)) )
       return(-1);
    if ( (!(x)) && ((y)) )