diff --git a/lldb/source/Commands/CommandObjectMemory.cpp b/lldb/source/Commands/CommandObjectMemory.cpp
index fffbda1..2f79e52 100644
--- a/lldb/source/Commands/CommandObjectMemory.cpp
+++ b/lldb/source/Commands/CommandObjectMemory.cpp
@@ -82,7 +82,7 @@
                     const char *option_arg)
     {
         Error error;
-        char short_option = (char) g_option_table[option_idx].short_option;
+        const int short_option = g_option_table[option_idx].short_option;
         
         switch (short_option)
         {
@@ -861,7 +861,7 @@
                         const char *option_arg)
         {
             Error error;
-            char short_option = (char) g_memory_write_option_table[option_idx].short_option;
+            const int short_option = g_memory_write_option_table[option_idx].short_option;
             
             switch (short_option)
             {