1 files changed, 1 insertions, 1 deletions

diff --git a/tools/idevicescreenshot.c b/tools/idevicescreenshot.c
index 23e7b41..d056dd0 100644
--- a/tools/idevicescreenshot.c
+++ b/tools/idevicescreenshot.c
@@ -83,7 +83,7 @@ int main(int argc, char **argv)
 
         lockdownd_start_service(lckd, "com.apple.mobile.screenshotr", &service);
         lockdownd_client_free(lckd);
-        if (service->port > 0) {
+        if (service && service->port > 0) {
                 if (screenshotr_client_new(device, service, &shotr) != SCREENSHOTR_E_SUCCESS) {
                         printf("Could not connect to screenshotr!\n");
                 } else {