diff --git a/source/Commands/CommandObjectArgs.cpp b/source/Commands/CommandObjectArgs.cpp
index 2ae91e1..24cf9bc 100644
--- a/source/Commands/CommandObjectArgs.cpp
+++ b/source/Commands/CommandObjectArgs.cpp
@@ -54,7 +54,7 @@
 {
     Error error;
     
-    char short_option = (char) m_getopt_table[option_idx].val;
+    const int short_option = m_getopt_table[option_idx].val;
     
     switch (short_option)
     {