1 files changed, 1 insertions, 1 deletions

diff --git a/tools/idevicedebugserverproxy.c b/tools/idevicedebugserverproxy.c
index 32438ad..3a25ebc 100644
--- a/tools/idevicedebugserverproxy.c
+++ b/tools/idevicedebugserverproxy.c
@@ -297,7 +297,7 @@ int main(int argc, char *argv[])
                 goto leave_cleanup;
         }
 
-        if ((lockdownd_start_service(lockdown, "com.apple.debugserver", &service) != LOCKDOWN_E_SUCCESS) || !service->port) {
+        if ((lockdownd_start_service(lockdown, "com.apple.debugserver", &service) != LOCKDOWN_E_SUCCESS) || !service || !service->port) {
                 fprintf(stderr, "Could not start com.apple.debugserver!\nPlease make sure to mount the developer disk image first.\n");
                 result = EXIT_FAILURE;
                 goto leave_cleanup;