diff --git a/examples/netloop/lo_listener.c b/examples/netloop/lo_listener.c
index 20f72ad9c56..57362cec82a 100644
--- a/examples/netloop/lo_listener.c
+++ b/examples/netloop/lo_listener.c
@@ -64,7 +64,7 @@ struct net_listener_s
   struct sockaddr_in addr;
   fd_set          master;
   fd_set          working;
-  char            buffer[IOBUFFER_SIZE];
+  char            buffer[IOBUFFER_SIZE + 1];
   int             listensd;
   int             mxsd;
 };
diff --git a/examples/netloop/lo_main.c b/examples/netloop/lo_main.c
index 513278b0893..3c6a0c72f0a 100644
--- a/examples/netloop/lo_main.c
+++ b/examples/netloop/lo_main.c
@@ -63,7 +63,7 @@ static int lo_client(void)
 {
   struct sockaddr_in myaddr;
   char outbuf[IOBUFFER_SIZE];
-  char inbuf[IOBUFFER_SIZE];
+  char inbuf[IOBUFFER_SIZE + 1];
   int sockfd;
   int len;
   int nbytessent;
diff --git a/examples/poll/host.c b/examples/poll/host.c
index 740bccb2200..8d42dd99792 100644
--- a/examples/poll/host.c
+++ b/examples/poll/host.c
@@ -64,7 +64,7 @@ int main(int argc, char **argv, char **envp)
 {
   struct sockaddr_in myaddr;
   char outbuf[IOBUFFER_SIZE];
-  char inbuf[IOBUFFER_SIZE];
+  char inbuf[IOBUFFER_SIZE + 1];
   int sockfd;
   int len;
   int nbytessent;
diff --git a/examples/poll/net_listener.c b/examples/poll/net_listener.c
index e20306d6c2c..3c72e16e383 100644
--- a/examples/poll/net_listener.c
+++ b/examples/poll/net_listener.c
@@ -64,7 +64,7 @@ struct net_listener_s
   struct sockaddr_in addr;
   fd_set          master;
   fd_set          working;
-  char            buffer[IOBUFFER_SIZE];
+  char            buffer[IOBUFFER_SIZE + 1];
   int             listensd;
   int             mxsd;
 };
diff --git a/examples/poll/net_reader.c b/examples/poll/net_reader.c
index 28817976366..191f398753e 100644
--- a/examples/poll/net_reader.c
+++ b/examples/poll/net_reader.c
@@ -121,7 +121,7 @@ static void net_configure(void)
 static void net_receive(int sd)
 {
   struct timeval timeout;
-  char buffer[IOBUFFER_SIZE];
+  char buffer[IOBUFFER_SIZE + 1];
   char *ptr;
   fd_set readset;
   int nbytes;