diff --git a/src/modbus-tcp.c b/src/modbus-tcp.c
index 978105d..59e8cd2 100644
--- a/src/modbus-tcp.c
+++ b/src/modbus-tcp.c
@@ -605,7 +605,7 @@ int modbus_tcp_pi_accept(modbus_t *ctx, int *socket)
     }
 
     if (ctx->debug) {
-        printf("The client connection is accepted.");
+        printf("The client connection is accepted.\n");
     }
 
     return ctx->s;