diff --git a/lldb/source/Interpreter/CommandObject.cpp b/lldb/source/Interpreter/CommandObject.cpp
index 7ee9137..88841c4 100644
--- a/lldb/source/Interpreter/CommandObject.cpp
+++ b/lldb/source/Interpreter/CommandObject.cpp
@@ -43,6 +43,7 @@
     m_cmd_help_short (),
     m_cmd_help_long (),
     m_cmd_syntax (),
+    m_is_alias (false),
     m_flags (flags)
 {
     if (help && help[0])