1 files changed, 1 insertions, 1 deletions
diff --git a/lldb/source/Commands/CommandObjectExpression.cpp b/lldb/source/Commands/CommandObjectExpression.cpp
index cd4613a10f4..a80d580f036 100644
--- a/lldb/source/Commands/CommandObjectExpression.cpp
+++ b/lldb/source/Commands/CommandObjectExpression.cpp
@@ -484,7 +484,7 @@ CommandObjectExpression::DoExecute
             }
             
             // No expression following options
-            if (expr[0] == '\0')
+            if (expr && expr[0] == '\0')
             {
                 GetMultilineExpression ();
                 return result.Succeeded();