1 files changed, 6 insertions, 6 deletions

diff --git a/src/installation_proxy.c b/src/installation_proxy.c
index eedddc7..b13abf9 100644
--- a/src/installation_proxy.c
+++ b/src/installation_proxy.c
@@ -660,7 +660,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_install(instproxy_client_t clie
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "PackagePath", plist_new_string(pkg_path));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);
 
@@ -677,7 +677,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_upgrade(instproxy_client_t clie
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "PackagePath", plist_new_string(pkg_path));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);
 
@@ -694,7 +694,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_uninstall(instproxy_client_t cl
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "ApplicationIdentifier", plist_new_string(appid));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);
 
@@ -727,7 +727,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_archive(instproxy_client_t clie
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "ApplicationIdentifier", plist_new_string(appid));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);
 
@@ -744,7 +744,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_restore(instproxy_client_t clie
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "ApplicationIdentifier", plist_new_string(appid));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);
 
@@ -761,7 +761,7 @@ LIBIMOBILEDEVICE_API instproxy_error_t instproxy_remove_archive(instproxy_client
                 plist_dict_set_item(command, "ClientOptions", plist_copy(client_options));
         plist_dict_set_item(command, "ApplicationIdentifier", plist_new_string(appid));
 
-        res = instproxy_perform_command(client, command, INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
+        res = instproxy_perform_command(client, command, status_cb == NULL ? INSTPROXY_COMMAND_TYPE_SYNC : INSTPROXY_COMMAND_TYPE_ASYNC, status_cb, user_data);
 
         plist_free(command);