1 files changed, 4 insertions, 1 deletions

diff --git a/src/idevice.c b/src/idevice.c
index 04189d6..64769d2 100644
--- a/src/idevice.c
+++ b/src/idevice.c
@@ -52,6 +52,7 @@
 #include <libimobiledevice-glue/thread.h>
 
 #include "idevice.h"
+#include "lockdown.h"
 #include "common/userpref.h"
 #include "common/debug.h"
 
@@ -864,7 +865,9 @@ LIBIMOBILEDEVICE_API idevice_error_t idevice_get_udid(idevice_t device, char **u
         if (!device || !udid)
                 return IDEVICE_E_INVALID_ARG;
 
-        *udid = strdup(device->udid);
+        if (device->udid) {
+                *udid = strdup(device->udid);
+        }
         return IDEVICE_E_SUCCESS;
 }