diff --git a/jerry-core/jerry-port.c b/jerry-core/jerry-port.c index 4812410927..3a8cb8b3d1 100644 --- a/jerry-core/jerry-port.c +++ b/jerry-core/jerry-port.c @@ -50,5 +50,5 @@ int jerry_port_errormsg (const char *format, /**< format string */ */ int jerry_port_putchar (int c) /**< character to put */ { - return putchar (c); + return putchar ((unsigned char) c); } /* jerry_port_putchar */