diff --git a/lldb/tools/debugserver/source/debugserver.cpp b/lldb/tools/debugserver/source/debugserver.cpp
index 3274925..fe98848 100644
--- a/lldb/tools/debugserver/source/debugserver.cpp
+++ b/lldb/tools/debugserver/source/debugserver.cpp
@@ -1141,6 +1141,7 @@
 
     int listen_port = INT32_MAX;
     char str[PATH_MAX];
+    str[0] = '\0';
 
     if (g_lockdown_opt == 0 && g_applist_opt == 0)
     {