1 files changed, 1 insertions, 1 deletions

diff --git a/src/topology/friends.c b/src/topology/friends.c
index a960fad17..65f2700bb 100644
--- a/src/topology/friends.c
+++ b/src/topology/friends.c
@@ -95,7 +95,7 @@ GNUNET_FRIENDS_parse (const struct GNUNET_CONFIGURATION_Handle *cfg,
   pos = 0;
   while (pos < fsize)
   {
-    while ((pos < fsize) && (! isspace ((int) data[pos])))
+    while ((pos < fsize) && (! isspace ((unsigned char) data[pos])))
       pos++;
     if (GNUNET_OK !=
         GNUNET_CRYPTO_eddsa_public_key_from_string (&data[start],