diff --git a/src/client/cl_console.c b/src/client/cl_console.c
index 4e976390..c7064ae9 100644
--- a/src/client/cl_console.c
+++ b/src/client/cl_console.c
@@ -124,6 +124,11 @@ void Con_Dump_f (void) {
 		return;
 	}
 
+	if (con.linewidth > 1024) {
+		Com_Printf ("con.linewidth too large!\n");
+		return;
+	}
+
 	Com_sprintf (name, sizeof(name), "%s/%s.txt", FS_Gamedir(), Cmd_Argv(1));
 
 	Com_Printf ("Dumped console text to %s.\n", name);