kc3-lang/linenoise

diff --git a/linenoise.c b/linenoise.c
index dcc171e..d2a72af 100644
--- a/linenoise.c
+++ b/linenoise.c
@@ -996,7 +996,7 @@ void linenoisePrintKeyCodes(void) {
         if (memcmp(quit,"quit",sizeof(quit)) == 0) break;
 
         printf("'%c' %02x (%d) (type quit to exit)\n",
-            isprint(c) ? c : '?', (int)c, (int)c);
+               isprint((int) c) ? c : '?', (int)c, (int)c);
         printf("\r"); /* Go left edge manually, we are in raw mode. */
         fflush(stdout);
     }