diff --git a/modules/libcom/src/flex/misc.c b/modules/libcom/src/flex/misc.c
index a1c94667a..7b79fca3b 100644
--- a/modules/libcom/src/flex/misc.c
+++ b/modules/libcom/src/flex/misc.c
@@ -663,7 +663,7 @@ int otoi(Char *str)
 
 char *readable_form(int c)
 {
-    static char rform[10];
+    static char rform[16];
 
     if ( (c >= 0 && c < 32) || c >= 127 )
         {