diff --git a/src/qmicli/qmicli-pdc.c b/src/qmicli/qmicli-pdc.c
index e75b3d2..12006b7 100644
--- a/src/qmicli/qmicli-pdc.c
+++ b/src/qmicli/qmicli-pdc.c
@@ -1019,7 +1019,7 @@ load_config_input_create_chunk (LoadConfigFileData *config_file)
 
     file_content = (guint8 *) g_mapped_file_get_contents (config_file->mapped_file);
     g_array_append_vals (chunk, &file_content[config_file->offset], chunk_size);
-    g_debug ("Uploaded %lu of %lu\n", config_file->offset, full_size);
+    g_debug ("Uploaded %" G_GSIZE_FORMAT "  of %" G_GSIZE_FORMAT "\n", config_file->offset, full_size);
 
     if (!qmi_message_pdc_load_config_input_set_config_chunk (input,
                                                              QMI_PDC_CONFIGURATION_TYPE_SOFTWARE,