diff --git a/libfprint/drivers/mafpmoc/mafpmoc.c b/libfprint/drivers/mafpmoc/mafpmoc.c
index d03b013b..5f9f2620 100644
--- a/libfprint/drivers/mafpmoc/mafpmoc.c
+++ b/libfprint/drivers/mafpmoc/mafpmoc.c
@@ -466,7 +466,7 @@ mafp_sensor_control (FpiDeviceMafpmoc      *self,
 static mafp_template_t
 mafp_template_from_print (FpPrint *print)
 {
-  const uint16_t tpl_id;
+  const uint16_t tpl_id = 0;
 
   g_autoptr(GVariant) data = NULL;
   g_autoptr(GVariant) tpl_uid = NULL;